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SU905228A1 - Method for preparing thiourea - Google Patents

Method for preparing thiourea
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SU905228A1
SU905228A1SU802892710ASU2892710ASU905228A1SU 905228 A1SU905228 A1SU 905228A1SU 802892710 ASU802892710 ASU 802892710ASU 2892710 ASU2892710 ASU 2892710ASU 905228 A1SU905228 A1SU 905228A1
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bis
synthesis
derivatives
trimethylsilyl
carbonate
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SU802892710A
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Малхаз Михайлович Заалишвили
Рамаз Давидович Кацарава
Тамара Михайловна Картвелишвили
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Институт Физиологии Им. Акад.И.С. Бериташвили Ан Гсср
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(54) СПОСОБ ПОЛУЧЕНИЯ ПОЛИМОЧЕВИНЫ(54) METHOD FOR OBTAINING POLYMOCHEVINA

II

Изобретение относитс  к синтезу высокомолекул рных соединений, а именно к синтезу полимочевины на основе природных диаминокарбоновых кислот, которые могут быть использованы в различных област х медицины в качестве биосовместимых полимеров .The invention relates to the synthesis of high molecular weight compounds, namely the synthesis of polyurea based on natural diaminocarboxylic acids, which can be used in various fields of medicine as biocompatible polymers.

Известен способ получени  полимочевины путем взаимодействи  диизоцианата с. диаминами в среде диметилформамида tA known method for producing polyurea by reacting a diisocyanate with. diamines in dimethylformamide t

Однако неплавкость и значительна  гидрофильность этих продуктов не позвол ет примен ть получаемые полимочевины дл  производства пластических масс и волокон.However, the low melting point and the significant hydrophilicity of these products prevent the use of the resulting polyureas for the production of plastics and fibers.

Наиболее близкий к предлагаемому по технической сущности  вл етс  способ получени  полимочевин путем взаимодействи  N,N -бистриметилсилильных производных ткиров природных диаминокарбоновых кислот с карбонильными производными орранических соединений в среде апротонного растворител  2.The closest to the proposed technical essence is the method of producing polyureas by reacting N, N -brystrimethylsilyl derivatives of natural diaminocarboxylic acid tkirov with carbonyl derivatives of organic compounds in an aprotic solvent medium 2.

Недостатками известного способа синтеза полимочевины  вл ютс ; необходимость применени  дл  их синтеза диизоцианатов на основе эфиров диаминокарбоновых кислот, которые получают в результате трудоемкого и нетехнологического процесса синтеза, заключающегос  в применении абсолютных, легковоспламен ю1Е1Ихс  растворителей (например серного эфира), охла дени  реакционной среды при фосгенировании N,N -бистриметилснлильных производных зфиров ot-диаминокарбоновых кислот , необходимость многократной высоковакуумной перегонки диизоцианатов с целью доведени  их до необходимой кондиции; применение абсолютного спирта (метилового или этилового ) дл  деблокировани  силилированных аминогрупп; необходимость синтеза большого числа диизоцианатоБ ДЛЯ получени  полиночевин различной структурьц например, дл  синтеза полимочевин на основе И.ЛИ ДЬ изомеров природной диамино«арбоновой кислоты, необходим синтез ка вдого диизоцианата в отдельности . Цель изобретени  - получение по лимочевинь с широким диапазоном свойств при одновременном упрощеНИИ спс:-соба, Указанна  цель достигаетс  т; . |лто при получении полимочевины ну тем взаимодействи  N,N-бистриметшг силильных производных эфиров природных диаминокарбоновых кислот с карбонильными производными органиче ких соединений в среде апротонного ;-:г. ../БОрител  в качестве карбонильных производных органических соединений используют бис-(п-нитрофенил )карбонат или бис-(254-динитpoфeнил .)кapбoнaт и реакцию провод т при 20--25С ч и при 80-JOO C . -3 ч ., последующим выделением поли мера-. Иод термином активированный ка |бонат подразумеваетс  карбонат стро ОуН-(о) (j-2. 4o))-NO2 - blOi NOi Лслученные таким образом полимоченины имеют Ц 0,3-0,9 дл/г, а по остальным параметрам (ИК-спектрЫ растворимость, температура плавлени идентичны полимерам5 полученным по известному способу из соо.тветствующих диизодианатов, Пример I. В трехгорлой кол бе снабженной мешалкой, вводом и выводом дл  аргона, 3,28 г (0,01 мо этилового эфира N,N-бис-триметилсш1Ил- (1)-TMCL-лизина раствор ют в 0 мл M,N диметилацетамида (ДМАА) при добавл ют 3,94 г (0,01 мол бис 254-динитрофенилкарбоната (ДНФК наблюдаетс  сильный экзотермический эффект) и включают мешалку. Через ЗГ - 40 мин раствор быстро загустеваiг и образуетс  студнеобразна  масс лл обеспечени  гомогенного течени  реакции смесь нагревают до 90 с и пйремешивают 3 ч, все врем  продува ; опг.v аргоном. Образуетс  в зкий раствору который в гор чем виде вь ливают в воду. Выпавший в виде порошка полимер отфильтровывают. тщатапьно промывают водой; сушат ii экстрагируют в аппарате Сокслепа ацетоне;-), Вы-ход 96% Ifip 0,95 дл/г в диметилсу ьфоксиде , г/дл -fc 25с. Пример 2.В трехгорлой колDEj снабженной мешалкой, вводом и вывoдo s дл  аргона, 3, 18 г (0,0 моль) этилового эфира N,N -бис-триметштсшшл-L-лизина раствор ют в Ю мл диметиладетамида, при 25°С добавл ют 3„04 г (OjO мо.чь) бис.: li-нитрофенилкарбоната (наЬлюд&атс  экзотер мический эффект) включают мешалку и перемешивают 2 ч,. В зкость раствора при комнатной температуре за этот период времени возрастает незначительно , поэтому включают обогрев и реакционную смесь выдерживают при 6 ч, все врем  продува  колбу аргоном. Раствор охлаждают до комнатной температуры (образование гелеобразной массы не наблюдалось) и выливают в воду. Полимер (в комплек се с И-нитрофенолом) выпадает в виде жидкой смолы, котора  затвердевае по мере отьывки Ь-нитрофг :ла водой Тщательно промьЕтый поли,,. . сушат в вакууме и экстрагируют в аппарате Сокслетта ацетоном Выход полимера 97%, Inp - ДЛ/г в диметилсульфо..е5С 0 „ 5 г/дл, , Пример Зо Синтез полимера осуществл ют в соответствии с методикой , приведенной в примере j с той разницей, что вместо -диметилацетй ,; :ипа и:;:пользутот N-MeTmiлирролидон (N-Mn) о Выход полимера 95%, дл/г в диметилсульфоксиде . Пример 4 Синтез полимера осуществл ют в соответствии с мето дикой приведенной в примере 1, с той разницей, что вместо этилового эфира N,К-бис триметилсилил-1-лизина берут этиловый эфир N,N-бис-триметилсилш1-01-лизина (ДЬ) TMCL. Выход полимера 97% ,76 дл/г в диметилсульфоксиде, ,5 г/дл, t -Пример 5, Синтез полимера осу1цествл5пот в соответствии с примером f с том разницей, что вместо этилового эфира N,N -бис-триметкп силил-1-личина используют этиловый эфир N,М-бис-триметш1силил-1-орнит Выходполимера 90% ,)р 0, 32 дл/г в диметилсульфоксиде, ,5 г/дл, С, Пример 6, Синтез полимера осуществл ют в соответствии с мето дикой, приведенной в примере 1 , с той разницей, что вместо этилового эфира N,N -бис-триметилсилил-L-лиз на используют диэтиловый эфир N,N -бис-триметилсилил-L-цистина. Вы- ход полимера 96%, 0,85 дл/г в диметилсульфоксиде, ,5 г/дл, . Пример 7.В трехгорлую ко бу снабженную мешалкой, вводом и выводом дл  аргона помещают 1,59 г (0,005 моль) этилового эфира N,N-бис-метил-С-лизина раствор ют в 10 мл N,N -диметилацетамида, добав л ют 3,94 г (0,01 моль) бис-2,4-динитрофенилкарбоната , включают мешалку и смесь перемешивают при комнатной температуре 2 ч. К реакционному раствору затем добавл ют 2,20 г (0,005 моль) диэтилового эфи ра N,N -бис-триметилсилил-L-цистин ( соотношение производных двух диаминокарбоновых кислот 1:1)включают обогрев и смесь нагревают до 90 С 3 ч. Реакционный раствор выливают в воду. Выпавший полимер отфильтровывают , тщательно промьшают ЕГрдой, сушат и экстрагируют этилаце татом в аппарате Сокслетта. Выход полимера 97%) 0,68 дл/г в диметилсульфоксиде , ,5 г/дл, Пример 8. Синтез полимера осуществл ют в соответствии с методикой , приведенной в примере 7, с той разницей, что вначале вместо этилового эфира N,N -бис-триметилси лил-1-лизина используют диэтиловый эфир N, N -бис-триметилсшпш-Ь-цистина , а затем к регисционному раствору добавл ют этиловый эфир N,N (L) ТМСЛ (ОThe disadvantages of the known polyurea synthesis method are; the need to use for their synthesis diisocyanates based on diaminocarboxylic acid esters, which are obtained as a result of a laborious and nontechnological synthesis process, consisting in the use of absolute, highly flammable J1E1Xx solvents (e.g. - diaminocarboxylic acids, the need for multiple high-vacuum distillation of diisocyanates in order to bring them to the required condition; using absolute alcohol (methyl or ethyl) to release silylated amino groups; the need to synthesize a large number of diisocyanatoB for the preparation of polinocevins of various structures, for example, for the synthesis of polyureas based on I.LI D isomers of the natural diamino arbonic acid, it is necessary to synthesize separately for diisocyanate. The purpose of the invention is to obtain limochevins with a wide range of properties with simultaneous simplification of the THRD: -sob. The specified goal is achieved t; . In the preparation of polyurea, the interaction of N, N-bistrymethyl silyl derivatives of natural diaminocarboxylic acid esters with carbonyl derivatives of organic compounds in an aprotic medium; -: g. ../Britel as a carbonyl derivative of organic compounds, bis- (p-nitrophenyl) carbonate or bis- (254-dinitrophenyl.) Can be used and the reaction is carried out at 20-25 ° C and at 80-JOO C. -3 hours, followed by isolation of the polymer-. Iodine by the term activated carbon is meant to carbonate OUH- (o) (j-2. 4o)) —NO2 — blOi NOi. The polychlocenes thus obtained have C 0.3–0.9 dl / g, and for the rest of the parameters (IR -spectra solubility, melting point is identical to polymers 5 obtained by a known method from the corresponding diisodianates, Example I. In a three-necked collar equipped with a stirrer, inlet and outlet for argon, 3.28 g (0.01 mo N, N-bis ethyl ester -trimethylsl1Il- (1) -TMCL-lysine was dissolved in 0 ml of M, N dimethylacetamide (DMAA) and 3.94 g (0.01 mol of bis 254-dinitrophenylcarbo Ata (DNFK has a strong exothermic effect) and turn on the stirrer. After ZG - 40 minutes, the solution quickly thickens and a jelly-like mass is formed to ensure a homogeneous flow of the reaction, the mixture is heated up to 90 seconds and re-stirred for 3 hours, purging all the way; argon. a viscous solution that is poured in hot form into water. The polymer which is precipitated in the form of a powder is filtered off and washed thoroughly with water; dried ii extracted in a Coxlep acetone apparatus ;-), You yield 96% Ifip 0.95 dl / g in dimethyl oxide, g / dl -fc 25c. Example 2. In a three-necked column, equipped with a stirrer, inlet and outlet s for argon, 3, 18 g (0.0 mol) of N, N-bis-trimethacryl-L-lysine ethyl ester is dissolved in 10 ml of dimethylethamide, at 25 ° C add 3 „04 g (OjO monk) bis .: li-nitrophenyl carbonate (human diet & exothermic effect) turn on the stirrer and stir for 2 hours. The viscosity of the solution at room temperature for this period of time increases slightly, therefore, include heating and the reaction mixture is maintained at 6 h, all the time blowing the flask with argon. The solution is cooled to room temperature (the formation of a gel-like mass was not observed) and poured into water. The polymer (in combination with I-NITROPHENOL) drops out in the form of a liquid resin, which solidifies as L-nitrofg removes: la Water thoroughly poly. . dried in vacuum and extracted in Soxhlett’s apparatus with acetone. Polymer yield 97%, Inp — DL / g in dimethyl sulfo. e 5 C 0 5 g / dl., Example 3 Synthesis of the polymer is carried out in accordance with the procedure given in example j with the difference that instead of dimethyl acetate,; : ipa i:;: user N-MeTmylirrolidone (N-Mn) o Polymer yield 95%, dl / g in dimethyl sulfoxide. Example 4 Synthesis of the polymer is carried out in accordance with the procedure given in Example 1, with the difference that instead of N, K-bis trimethylsilyl-1-lysine ethyl ester, N, N-bis-trimethylsil-1-01-lysine ethyl ester is taken (Db ) TMCL. The polymer yield is 97%, 76 dl / g in dimethyl sulfoxide, 5 g / dl, t-Example 5, Synthesis of a polymer is of an essence 5 sweat in accordance with example f with the difference that instead of ethyl ester N, N-bis-trimethc silyl-1- The substance used is N, M-bis-trimethyl-silyl-1-ornitol 90% yield of ethyl ester,) p 0, 32 dl / g in dimethyl sulfoxide, 5 g / dl, C, Example 6, Synthesis of the polymer is carried out in accordance with the method shown in example 1, with the difference that instead of ethyl ester N, N-bis-trimethylsilyl-L-lys on the use of diethyl ester N, N-bis-trimethylsilyl-L-cystine. Polymer yield 96%, 0.85 dl / g in dimethyl sulfoxide, 5 g / dl,. Example 7. In a three-necked co with a stirrer, inlet and outlet for argon, 1.59 g (0.005 mol) of N, N-bis-methyl-C-lysine ethyl ester is dissolved in 10 ml of N, N-dimethyl acetamide, added 3.94 g (0.01 mol) of bis-2,4-dinitrophenyl carbonate are added, the stirrer is turned on and the mixture is stirred at room temperature for 2 hours. To the reaction solution is then added 2.20 g (0.005 mol) of diethyl ether N, N -bis-trimethylsilyl-L-cystine (the ratio of two diaminocarboxylic acid derivatives is 1: 1) include heating and the mixture is heated to 90 ° C for 3 hours. The reaction solution is poured into water. The precipitated polymer is filtered off, rinsed thoroughly with an Egrda, dried and extracted with ethyl acetate in a Soxhlett apparatus. The polymer yield is 97%) 0.68 dl / g in dimethyl sulfoxide, 5 g / dl, Example 8. The synthesis of the polymer is carried out in accordance with the procedure described in example 7, with the difference that instead of ethyl N, N - Bis-trimethylsilyl-1-lysine is used with N, N-bis-trimethyl-spm-L-cystine diethyl ether, and then N, N (L) TMSL (O) is added to the registration solution.

ДНФКDNFK

(L) ТМСЛ (О(L) TML (O

ПНФКPFC

ДММА 25/0,5 96 0,95 90/3DMMA 25 / 0.5 96 0.95 90/3

97 0,497 0.4

ДМАА- 25/2 100/6 -бис-триметилсш1ил-1-лизина. Выход полимера 98%, 0,71 дл/л в диметилсульфоксиде , ,5 г/дл, t 25C. Пример 9. Синтез полимера осуществл ют в соответствии с методикой , приведенной в примере 7, с той разницей, что вместо 0,005 берут 0,002 моль этилового эфира N,N -бис-триметилсилил-1-лизина , а вместо 0,005 моль берут 0,008 моль диэтилового эфира N,N -бис-триметилсилил-1-цистина . Выход полимера 96% ,70 дл/г в диметилсульфоксиде, ,5 г/дл, . Пример 10. Синтез полимера осуществл ют в соответствии с методикой, приведенной в примере 7, с той разницей, что берут 0,008 моль этилового эфира N,N -бис-тримет1тсилил-1-лизина и 0,002 моль диэтилового эфира-L-цистина. Выход 97%,lfip 0,68 дл/г в диметилсульфоксиде , ,5 г/дл, . Пример П. Синтез полимера осуществл ют в соответствии с методикой, приведенной в примере 7, с той разницей, что вместо этилового эфира N,N -бис-триметилсилил-L-лизина берут этиловый эфир N,N-бис-триметилсилил-Д1-лизина . Выход полимера 95%,К)рр 0,52 дл/г в диметилсульфоксиде, ,5 г/дл, . Пример 12. Синтез полимера осуществл ют в соответствии с методикой , приведенной в примере 7,, с той разницей, что вместо этилового эфира N,N -бис-триметилсилил-L-лизина берут этиловый эфир N,N-биc-тpимeтилcилил-L-opнитинa . Выход полимера 89%, 0,28 дл/г в иметилсульфоксиде, ,5 г/дл, t 25C. Основные характеристики полуенных полимеров приведены в табли- е.DMAA-25/2 100/6 -bis-trimethylsil-1-lysine. The polymer yield is 98%, 0.71 dl / l in dimethyl sulfoxide, 5 g / dl, t 25C. Example 9. Synthesis of the polymer was carried out in accordance with the procedure described in Example 7, with the difference that 0.002 mol of N, N-bis-trimethylsilyl-1-lysine ethyl ester was taken instead of 0.005, and 0.008 mol of diethyl ether was taken instead of 0.005 mol N, N -bis-trimethylsilyl-1-cystine. The polymer yield 96%, 70 DL / g in dimethyl sulfoxide, 5 g / dL,. Example 10. Synthesis of the polymer was carried out in accordance with the procedure described in Example 7, with the difference that 0.008 mol of N, N-bis-trimethyl-1-silyl-1-lysine ethyl ester and 0.002 mol of L-cystine diethyl ether were taken. Yield 97%, lfip 0.68 dl / g in dimethyl sulfoxide, 5 g / dl,. Example P. Synthesis of the polymer is carried out in accordance with the procedure described in example 7, with the difference that instead of ethyl ester of N, N-bis-trimethylsilyl-L-lysine, take ethyl ester of N, N-bis-trimethylsilyl-D1-lysine . The polymer yield is 95%, K) pp 0.52 dl / g in dimethyl sulfoxide, 5 g / dl,. Example 12. Synthesis of the polymer is carried out in accordance with the procedure given in Example 7, with the difference that instead of N, N-bis-trimethylsilyl-L-lysine ethyl ester, N, N-bis-trimethylsilyl-L- ethyl ester is taken opnitine. The polymer yield is 89%, 0.28 dl / g in imethyl sulfoxide, 5 g / dl, t 25C. The main characteristics of semi-polymers are given in table.

(L) -шел (1)(L) -shap (1)

ДНФКDNFK

(Д1) шел (1)(D1) walking (1)

ДНФКDNFK

(L) тасо (1)(L) taso (1)

ДИФКDIFK

(L) ТМСЦ (1)(L) TMSC (1)

ДНФКDNFK

{L) ТМСЛ (0,5){L) TML (0.5)

( L) ТМСЦ (0,5) (L) TMSC (0.5)

ДНФК(L) ТМСЦ (0,5)DNFK (L) TMSC (0.5)

++

(L) ТМСЛ (0,5)(L) TML (0.5)

Примечание: ТМСО - этиловый эфир N,N -бис-триметилсилил-орнитина; ТМСЛ - этиловый эфир N,N-биc-тpимeтилcилиллизинa; ТМСЦ - диэтиловый эфир N,N -бис-триметилсилилцистина; ДНФК-бис-2,4-динитрофенилкар6онат, ПНФК-бис п-нитрофенилкарбонат; ДМАА - N,N -диметилацетамид; N-MII-N-метилпирролидон. В зкость определена в диметилсульфоксиде при , ,5 г/дл.Note: TMSO is N, N-bis-trimethylsilyl-ornithine ethyl ester; TMHL is ethyl ester of N, N-bis-trimethylsilyl lysine; TMSC - N, N-bis-trimethylsilylcystine diethyl ether; DNFC-bis-2,4-dinitrophenylcaronate, PNFC-bis p-nitrophenylcarbonate; DMAA - N, N-dimethylacetamide; N-MII-N-methylpyrrolidone. Viscosity is determined in dimethyl sulfoxide at, 5 g / dL.

Применение предлагаемого способа получени  полимочевины на основе природных днаминокарбоновых кислот обеспечивает по сравнению с известными способами, следующие преимущества: легкость получени  нысокомолекул рных гголимочевин на основе при905228The use of the proposed method for the preparation of polyurea based on natural dinocarboxylic acids provides the following advantages compared with the known methods: ease of preparation of high molecular weight glymethyl urea based on 905228

8 Продолжение таблицы8 Continuation of the table

N-МП 25/0,5 95 0,95 90/3NMP 25 / 0.5 95 0.95 90/3

ДМАА 25/0,5 97 0,76 90/3DMAA 25 / 0.5 97 0.76 90/3

ДМАА25/0,5 900,32DMAA25 / 0.5 900.32

90/390/3

ДМАА 25/0,5 96 0,85 90/3DMAA 25 / 0.5 96 0.85 90/3

Д11АА 25/2D11AA 25/2

970,68 90/3970.68 90/3

25/225/2

9898

0,710.71

ДМААDMAA

Claims (2)

Translated fromRussian
родных диаминокарбоновых кислот с использованием только их триметилсилильных производных и одного активированного карбоната, например бис-2,4-динитрофенилкарбоната, не прибега  к труднодоступным диизоци анатам отсутствие необходимости сн 9 тн  трнметилсилилышх защитных груТТ пировок с аминогрупп,- широкие возмо ности синтеза сополимочевин различного состава на основе двух или более диаминокарбоновых кислот (в том числе или DL), использу  дл  этой цели лишь N,N-бис-триметилсилильны производные их эфиров и один активировашсый карбонат, например бис-2 ,4-динитрофенилкарбонат; простота в обращении и легкость очистки активированных карбонатов,  вл кидихс  кристаллическими соединени ми . Формула изобретени  Способ получени  полимочевины путем взаимодействи  N,N-биc-тpимeтилсилильных производных эфиров природных диаминокарбоновых кислот с карбонильными производными органических соединений в среде апротон28 ного растворител , отличающийс  тем, что, с целью получени  полимочевины с широким диапазоном свойств при одновременном упрощении способа, в качестве карбонильных производных органических соединений используют бис-(п-нитрофенип )карбонат или бис-(2,4-динитрофенил )карбонат и реакцию провод т при 20-25С 0,5-2 ч и при 80-100°С с последующим выделением поли Источники информации, прин тые во внимание при экспертизе 1.Саундерс Дж.Х., Фриш К.К. Хими  полиуретанов. М., Хими , 1968, с. 13-14.Native diaminocarboxylic acids using only their trimethylsilyl derivatives and one activated carbonate, for example bis-2,4-dinitrophenylcarbonate, did not use hard-to-reach diiso-anats, no need to remove 9 tons of trin-methyls of protective protective groups from amino groups, there is a wide possibility of synthesis. the basis of two or more diaminocarboxylic acids (including or DL), using for this purpose only N, N-bis-trimethylsilyl derivatives of their esters and one activated carbon , For example bis-2, 4-dinitrofenilkarbonat; ease of handling and ease of purification of activated carbonates are reduced with crystalline compounds. The invention method for producing polyurea by reacting N, N-bic-trimethylsilyl derivatives of esters of natural diaminocarboxylic acids with carbonyl derivatives of organic compounds in an aprotic solvent medium, in order to obtain a polyurea with a wide range of properties while simplifying the process carbonyl derivatives of organic compounds use bis- (p-nitrophenip) carbonate or bis- (2,4-dinitrophenyl) carbonate and the reaction is carried out at 20-25 ° C for 0.5-2 hours and at 80-10 0 ° C followed by the release of poly. Sources of information taken into account in the examination 1. Saunders J.H., Frish K.K. Polyurethane Chemistry. M., Himi, 1968, p. 13-14.2.Сенцова Т.И., Бутаева В.И„ Давидович Ю.А., Рогожин С.В., Коршак В.В. Синтез синтетических активных полимочевин на основе природных диаминокарбоновых кислот. Доклад АН СССР 232, 225, 1977 (прототип ) .2.Sentsova T.I., Butaeva V.I. “Davidovich Yu.A., Rogozhin S.V., Korshak V.V. Synthesis of synthetic active polyureas on the basis of natural diaminocarboxylic acids. Report of the Academy of Sciences of the USSR 232, 225, 1977 (prototype).
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* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US6503538B1 (en)2000-08-302003-01-07Cornell Research Foundation, Inc.Elastomeric functional biodegradable copolyester amides and copolyester urethanes
US6994867B1 (en)2002-06-212006-02-07Advanced Cardiovascular Systems, Inc.Biocompatible carrier containing L-arginine
US7011842B1 (en)2002-06-212006-03-14Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of making the same
US7033602B1 (en)2002-06-212006-04-25Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of coating implantable medical devices
US7056523B1 (en)2002-06-212006-06-06Advanced Cardiovascular Systems, Inc.Implantable medical devices incorporating chemically conjugated polymers and oligomers of L-arginine
US7063884B2 (en)2003-02-262006-06-20Advanced Cardiovascular Systems, Inc.Stent coating
US7070798B1 (en)2002-06-212006-07-04Advanced Cardiovascular Systems, Inc.Coatings for implantable medical devices incorporating chemically-bound polymers and oligomers of L-arginine
US7077860B2 (en)1997-04-242006-07-18Advanced Cardiovascular Systems, Inc.Method of reducing or eliminating thrombus formation
US7166680B2 (en)2004-10-062007-01-23Advanced Cardiovascular Systems, Inc.Blends of poly(ester amide) polymers
US7198675B2 (en)2003-09-302007-04-03Advanced Cardiovascular SystemsStent mandrel fixture and method for selectively coating surfaces of a stent
US7202325B2 (en)2005-01-142007-04-10Advanced Cardiovascular Systems, Inc.Poly(hydroxyalkanoate-co-ester amides) and agents for use with medical articles
US7214759B2 (en)2004-11-242007-05-08Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on polyesters and methods for fabricating the same
US7217426B1 (en)2002-06-212007-05-15Advanced Cardiovascular Systems, Inc.Coatings containing polycationic peptides for cardiovascular therapy
US7220816B2 (en)2003-12-162007-05-22Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on poly(ester amides) and methods for fabricating the same
US7244443B2 (en)2004-08-312007-07-17Advanced Cardiovascular Systems, Inc.Polymers of fluorinated monomers and hydrophilic monomers
US7258891B2 (en)2001-06-282007-08-21Advanced Cardiovascular Systems, Inc.Stent mounting assembly and a method of using the same to coat a stent
US7279174B2 (en)2003-05-082007-10-09Advanced Cardiovascular Systems, Inc.Stent coatings comprising hydrophilic additives
US7297159B2 (en)2000-10-262007-11-20Advanced Cardiovascular Systems, Inc.Selective coating of medical devices
US7304122B2 (en)2001-08-302007-12-04Cornell Research Foundation, Inc.Elastomeric functional biodegradable copolyester amides and copolyester urethanes
US7311980B1 (en)2004-08-022007-12-25Advanced Cardiovascular Systems, Inc.Polyactive/polylactic acid coatings for an implantable device
US7364748B2 (en)2001-03-302008-04-29Advanced Cardiovascular Systems, Inc.Controlled morphologies in polymer drug for release of drugs from polymer films
US7387810B2 (en)2002-11-122008-06-17Advanced Cardiovascular Systems, Inc.Method of forming rate limiting barriers for implantable devices
US7390497B2 (en)2004-10-292008-06-24Advanced Cardiovascular Systems, Inc.Poly(ester amide) filler blends for modulation of coating properties
US7396541B2 (en)2004-06-182008-07-08Advanced Cardiovascular Systems, Inc.Heparin prodrugs and drug delivery stents formed therefrom
US7419504B2 (en)2004-12-272008-09-02Advanced Cardiovascular Systems, Inc.Poly(ester amide) block copolymers
US7435788B2 (en)2003-12-192008-10-14Advanced Cardiovascular Systems, Inc.Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
US7481835B1 (en)2004-10-292009-01-27Advanced Cardiovascular Systems, Inc.Encapsulated covered stent
US7494665B1 (en)2004-07-302009-02-24Advanced Cardiovascular Systems, Inc.Polymers containing siloxane monomers
US7553377B1 (en)2004-04-272009-06-30Advanced Cardiovascular Systems, Inc.Apparatus and method for electrostatic coating of an abluminal stent surface
US7563324B1 (en)2003-12-292009-07-21Advanced Cardiovascular Systems Inc.System and method for coating an implantable medical device
US7591841B2 (en)2005-12-162009-09-22Advanced Cardiovascular Systems, Inc.Implantable devices for accelerated healing
US7601383B2 (en)2006-02-282009-10-13Advanced Cardiovascular Systems, Inc.Coating construct containing poly (vinyl alcohol)
US7604818B2 (en)2004-12-222009-10-20Advanced Cardiovascular Systems, Inc.Polymers of fluorinated monomers and hydrocarbon monomers
US7622070B2 (en)2005-06-202009-11-24Advanced Cardiovascular Systems, Inc.Method of manufacturing an implantable polymeric medical device
US7632307B2 (en)2004-12-162009-12-15Advanced Cardiovascular Systems, Inc.Abluminal, multilayer coating constructs for drug-delivery stents
US7637941B1 (en)2005-05-112009-12-29Advanced Cardiovascular Systems, Inc.Endothelial cell binding coatings for rapid encapsulation of bioerodable stents
US7638156B1 (en)2005-12-192009-12-29Advanced Cardiovascular Systems, Inc.Apparatus and method for selectively coating a medical article
US7648727B2 (en)2004-08-262010-01-19Advanced Cardiovascular Systems, Inc.Methods for manufacturing a coated stent-balloon assembly
US7648725B2 (en)2002-12-122010-01-19Advanced Cardiovascular Systems, Inc.Clamp mandrel fixture and a method of using the same to minimize coating defects
US7682669B1 (en)2001-07-302010-03-23Advanced Cardiovascular Systems, Inc.Methods for covalently immobilizing anti-thrombogenic material into a coating on a medical device
US7691401B2 (en)2000-09-282010-04-06Advanced Cardiovascular Systems, Inc.Poly(butylmethacrylate) and rapamycin coated stent
US7713637B2 (en)2006-03-032010-05-11Advanced Cardiovascular Systems, Inc.Coating containing PEGylated hyaluronic acid and a PEGylated non-hyaluronic acid polymer
US7735449B1 (en)2005-07-282010-06-15Advanced Cardiovascular Systems, Inc.Stent fixture having rounded support structures and method for use thereof
US7758881B2 (en)2004-06-302010-07-20Advanced Cardiovascular Systems, Inc.Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders with an implantable medical device
US7776926B1 (en)2002-12-112010-08-17Advanced Cardiovascular Systems, Inc.Biocompatible coating for implantable medical devices
US7775178B2 (en)2006-05-262010-08-17Advanced Cardiovascular Systems, Inc.Stent coating apparatus and method
US7785512B1 (en)2003-07-312010-08-31Advanced Cardiovascular Systems, Inc.Method and system of controlled temperature mixing and molding of polymers with active agents for implantable medical devices
US7785647B2 (en)2005-07-252010-08-31Advanced Cardiovascular Systems, Inc.Methods of providing antioxidants to a drug containing product
US7794743B2 (en)2002-06-212010-09-14Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of making the same
US7795467B1 (en)2005-04-262010-09-14Advanced Cardiovascular Systems, Inc.Bioabsorbable, biobeneficial polyurethanes for use in medical devices
US7807210B1 (en)2000-10-312010-10-05Advanced Cardiovascular Systems, Inc.Hemocompatible polymers on hydrophobic porous polymers
US7807211B2 (en)1999-09-032010-10-05Advanced Cardiovascular Systems, Inc.Thermal treatment of an implantable medical device
US7820732B2 (en)2004-04-302010-10-26Advanced Cardiovascular Systems, Inc.Methods for modulating thermal and mechanical properties of coatings on implantable devices
US7823533B2 (en)2005-06-302010-11-02Advanced Cardiovascular Systems, Inc.Stent fixture and method for reducing coating defects
US7892592B1 (en)2004-11-302011-02-22Advanced Cardiovascular Systems, Inc.Coating abluminal surfaces of stents and other implantable medical devices
US7976891B1 (en)2005-12-162011-07-12Advanced Cardiovascular Systems, Inc.Abluminal stent coating apparatus and method of using focused acoustic energy
US7985441B1 (en)2006-05-042011-07-26Yiwen TangPurification of polymers for coating applications
US7985440B2 (en)2001-06-272011-07-26Advanced Cardiovascular Systems, Inc.Method of using a mandrel to coat a stent
US8007775B2 (en)2004-12-302011-08-30Advanced Cardiovascular Systems, Inc.Polymers containing poly(hydroxyalkanoates) and agents for use with medical articles and methods of fabricating the same
US8017140B2 (en)2004-06-292011-09-13Advanced Cardiovascular System, Inc.Drug-delivery stent formulations for restenosis and vulnerable plaque
US8021676B2 (en)2005-07-082011-09-20Advanced Cardiovascular Systems, Inc.Functionalized chemically inert polymers for coatings
US8029816B2 (en)2006-06-092011-10-04Abbott Cardiovascular Systems Inc.Medical device coated with a coating containing elastin pentapeptide VGVPG
US8052912B2 (en)2003-12-012011-11-08Advanced Cardiovascular Systems, Inc.Temperature controlled crimping
US8062350B2 (en)2006-06-142011-11-22Abbott Cardiovascular Systems Inc.RGD peptide attached to bioabsorbable stents
US8067025B2 (en)2006-02-172011-11-29Advanced Cardiovascular Systems, Inc.Nitric oxide generating medical devices
US8069814B2 (en)2006-05-042011-12-06Advanced Cardiovascular Systems, Inc.Stent support devices
US8110211B2 (en)2004-09-222012-02-07Advanced Cardiovascular Systems, Inc.Medicated coatings for implantable medical devices including polyacrylates
US8109904B1 (en)2007-06-252012-02-07Abbott Cardiovascular Systems Inc.Drug delivery medical devices
US8147769B1 (en)2007-05-162012-04-03Abbott Cardiovascular Systems Inc.Stent and delivery system with reduced chemical degradation
US8173199B2 (en)2002-03-272012-05-08Advanced Cardiovascular Systems, Inc.40-O-(2-hydroxy)ethyl-rapamycin coated stent
US8192752B2 (en)2003-11-212012-06-05Advanced Cardiovascular Systems, Inc.Coatings for implantable devices including biologically erodable polyesters and methods for fabricating the same
US8293890B2 (en)2004-04-302012-10-23Advanced Cardiovascular Systems, Inc.Hyaluronic acid based copolymers
US8304012B2 (en)2006-05-042012-11-06Advanced Cardiovascular Systems, Inc.Method for drying a stent
US8303651B1 (en)2001-09-072012-11-06Advanced Cardiovascular Systems, Inc.Polymeric coating for reducing the rate of release of a therapeutic substance from a stent
US8357391B2 (en)2004-07-302013-01-22Advanced Cardiovascular Systems, Inc.Coatings for implantable devices comprising poly (hydroxy-alkanoates) and diacid linkages
US8435550B2 (en)2002-12-162013-05-07Abbot Cardiovascular Systems Inc.Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders with an implantable medical device
US8506617B1 (en)2002-06-212013-08-13Advanced Cardiovascular Systems, Inc.Micronized peptide coated stent
US8568764B2 (en)2006-05-312013-10-29Advanced Cardiovascular Systems, Inc.Methods of forming coating layers for medical devices utilizing flash vaporization
US8586069B2 (en)2002-12-162013-11-19Abbott Cardiovascular Systems Inc.Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders
US8597673B2 (en)2006-12-132013-12-03Advanced Cardiovascular Systems, Inc.Coating of fast absorption or dissolution
US8603634B2 (en)2004-10-272013-12-10Abbott Cardiovascular Systems Inc.End-capped poly(ester amide) copolymers
US8609123B2 (en)2004-11-292013-12-17Advanced Cardiovascular Systems, Inc.Derivatized poly(ester amide) as a biobeneficial coating
US8647655B2 (en)2002-12-112014-02-11Abbott Cardiovascular Systems Inc.Biocompatible polyacrylate compositions for medical applications
US8652504B2 (en)2005-09-222014-02-18Medivas, LlcSolid polymer delivery compositions and methods for use thereof
US8685431B2 (en)2004-03-162014-04-01Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on copolymers having ester bonds and methods for fabricating the same
US8703167B2 (en)2006-06-052014-04-22Advanced Cardiovascular Systems, Inc.Coatings for implantable medical devices for controlled release of a hydrophilic drug and a hydrophobic drug
US8703169B1 (en)2006-08-152014-04-22Abbott Cardiovascular Systems Inc.Implantable device having a coating comprising carrageenan and a biostable polymer
US8741378B1 (en)2001-06-272014-06-03Advanced Cardiovascular Systems, Inc.Methods of coating an implantable device
US8778014B1 (en)2004-03-312014-07-15Advanced Cardiovascular Systems, Inc.Coatings for preventing balloon damage to polymer coated stents
US8778375B2 (en)2005-04-292014-07-15Advanced Cardiovascular Systems, Inc.Amorphous poly(D,L-lactide) coating
US9028859B2 (en)2006-07-072015-05-12Advanced Cardiovascular Systems, Inc.Phase-separated block copolymer coatings for implantable medical devices
US9056155B1 (en)2007-05-292015-06-16Abbott Cardiovascular Systems Inc.Coatings having an elastic primer layer
US9102830B2 (en)2005-09-222015-08-11Medivas, LlcBis-(α-amino)-diol-diester-containing poly (ester amide) and poly (ester urethane) compositions and methods of use
US9114198B2 (en)2003-11-192015-08-25Advanced Cardiovascular Systems, Inc.Biologically beneficial coatings for implantable devices containing fluorinated polymers and methods for fabricating the same
US9517203B2 (en)2000-08-302016-12-13Mediv As, LlcPolymer particle delivery compositions and methods of use
US9561351B2 (en)2006-05-312017-02-07Advanced Cardiovascular Systems, Inc.Drug delivery spiral coil construct
US9561309B2 (en)2004-05-272017-02-07Advanced Cardiovascular Systems, Inc.Antifouling heparin coatings
US10076591B2 (en)2010-03-312018-09-18Abbott Cardiovascular Systems Inc.Absorbable coating for implantable device

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Publication numberPriority datePublication dateAssigneeTitle
US7077860B2 (en)1997-04-242006-07-18Advanced Cardiovascular Systems, Inc.Method of reducing or eliminating thrombus formation
US7807211B2 (en)1999-09-032010-10-05Advanced Cardiovascular Systems, Inc.Thermal treatment of an implantable medical device
US9517203B2 (en)2000-08-302016-12-13Mediv As, LlcPolymer particle delivery compositions and methods of use
US7408018B2 (en)2000-08-302008-08-05Cornell Research Foundation, Inc.Elastomeric functional biodegradable copolyester amides and copolyester urethanes
US6503538B1 (en)2000-08-302003-01-07Cornell Research Foundation, Inc.Elastomeric functional biodegradable copolyester amides and copolyester urethanes
US7691401B2 (en)2000-09-282010-04-06Advanced Cardiovascular Systems, Inc.Poly(butylmethacrylate) and rapamycin coated stent
US7297159B2 (en)2000-10-262007-11-20Advanced Cardiovascular Systems, Inc.Selective coating of medical devices
US7807210B1 (en)2000-10-312010-10-05Advanced Cardiovascular Systems, Inc.Hemocompatible polymers on hydrophobic porous polymers
US7364748B2 (en)2001-03-302008-04-29Advanced Cardiovascular Systems, Inc.Controlled morphologies in polymer drug for release of drugs from polymer films
US7985440B2 (en)2001-06-272011-07-26Advanced Cardiovascular Systems, Inc.Method of using a mandrel to coat a stent
US10064982B2 (en)2001-06-272018-09-04Abbott Cardiovascular Systems Inc.PDLLA stent coating
US8741378B1 (en)2001-06-272014-06-03Advanced Cardiovascular Systems, Inc.Methods of coating an implantable device
US7258891B2 (en)2001-06-282007-08-21Advanced Cardiovascular Systems, Inc.Stent mounting assembly and a method of using the same to coat a stent
US7682669B1 (en)2001-07-302010-03-23Advanced Cardiovascular Systems, Inc.Methods for covalently immobilizing anti-thrombogenic material into a coating on a medical device
US7304122B2 (en)2001-08-302007-12-04Cornell Research Foundation, Inc.Elastomeric functional biodegradable copolyester amides and copolyester urethanes
US8303651B1 (en)2001-09-072012-11-06Advanced Cardiovascular Systems, Inc.Polymeric coating for reducing the rate of release of a therapeutic substance from a stent
US8961588B2 (en)2002-03-272015-02-24Advanced Cardiovascular Systems, Inc.Method of coating a stent with a release polymer for 40-O-(2-hydroxy)ethyl-rapamycin
US8173199B2 (en)2002-03-272012-05-08Advanced Cardiovascular Systems, Inc.40-O-(2-hydroxy)ethyl-rapamycin coated stent
US7070798B1 (en)2002-06-212006-07-04Advanced Cardiovascular Systems, Inc.Coatings for implantable medical devices incorporating chemically-bound polymers and oligomers of L-arginine
US7875286B2 (en)2002-06-212011-01-25Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of coating implantable medical devices
US9084671B2 (en)2002-06-212015-07-21Advanced Cardiovascular Systems, Inc.Methods of forming a micronized peptide coated stent
US8506617B1 (en)2002-06-212013-08-13Advanced Cardiovascular Systems, Inc.Micronized peptide coated stent
US8067023B2 (en)2002-06-212011-11-29Advanced Cardiovascular Systems, Inc.Implantable medical devices incorporating plasma polymerized film layers and charged amino acids
US7217426B1 (en)2002-06-212007-05-15Advanced Cardiovascular Systems, Inc.Coatings containing polycationic peptides for cardiovascular therapy
US7901703B2 (en)2002-06-212011-03-08Advanced Cardiovascular Systems, Inc.Polycationic peptides for cardiovascular therapy
US7056523B1 (en)2002-06-212006-06-06Advanced Cardiovascular Systems, Inc.Implantable medical devices incorporating chemically conjugated polymers and oligomers of L-arginine
US7033602B1 (en)2002-06-212006-04-25Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of coating implantable medical devices
US7011842B1 (en)2002-06-212006-03-14Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of making the same
US7794743B2 (en)2002-06-212010-09-14Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of making the same
US7803394B2 (en)2002-06-212010-09-28Advanced Cardiovascular Systems, Inc.Polycationic peptide hydrogel coatings for cardiovascular therapy
US6994867B1 (en)2002-06-212006-02-07Advanced Cardiovascular Systems, Inc.Biocompatible carrier containing L-arginine
US7803406B2 (en)2002-06-212010-09-28Advanced Cardiovascular Systems, Inc.Polycationic peptide coatings and methods of coating implantable medical devices
US7387810B2 (en)2002-11-122008-06-17Advanced Cardiovascular Systems, Inc.Method of forming rate limiting barriers for implantable devices
US8647655B2 (en)2002-12-112014-02-11Abbott Cardiovascular Systems Inc.Biocompatible polyacrylate compositions for medical applications
US8871883B2 (en)2002-12-112014-10-28Abbott Cardiovascular Systems Inc.Biocompatible coating for implantable medical devices
US8871236B2 (en)2002-12-112014-10-28Abbott Cardiovascular Systems Inc.Biocompatible polyacrylate compositions for medical applications
US8986726B2 (en)2002-12-112015-03-24Abbott Cardiovascular Systems Inc.Biocompatible polyacrylate compositions for medical applications
US7776926B1 (en)2002-12-112010-08-17Advanced Cardiovascular Systems, Inc.Biocompatible coating for implantable medical devices
US7648725B2 (en)2002-12-122010-01-19Advanced Cardiovascular Systems, Inc.Clamp mandrel fixture and a method of using the same to minimize coating defects
US8586069B2 (en)2002-12-162013-11-19Abbott Cardiovascular Systems Inc.Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders
US8435550B2 (en)2002-12-162013-05-07Abbot Cardiovascular Systems Inc.Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders with an implantable medical device
US7063884B2 (en)2003-02-262006-06-20Advanced Cardiovascular Systems, Inc.Stent coating
US8673334B2 (en)2003-05-082014-03-18Abbott Cardiovascular Systems Inc.Stent coatings comprising hydrophilic additives
US9175162B2 (en)2003-05-082015-11-03Advanced Cardiovascular Systems, Inc.Methods for forming stent coatings comprising hydrophilic additives
US7279174B2 (en)2003-05-082007-10-09Advanced Cardiovascular Systems, Inc.Stent coatings comprising hydrophilic additives
US7785512B1 (en)2003-07-312010-08-31Advanced Cardiovascular Systems, Inc.Method and system of controlled temperature mixing and molding of polymers with active agents for implantable medical devices
US7198675B2 (en)2003-09-302007-04-03Advanced Cardiovascular SystemsStent mandrel fixture and method for selectively coating surfaces of a stent
US7604700B2 (en)2003-09-302009-10-20Advanced Cardiovascular Systems, Inc.Stent mandrel fixture and method for selectively coating surfaces of a stent
US9114198B2 (en)2003-11-192015-08-25Advanced Cardiovascular Systems, Inc.Biologically beneficial coatings for implantable devices containing fluorinated polymers and methods for fabricating the same
US8192752B2 (en)2003-11-212012-06-05Advanced Cardiovascular Systems, Inc.Coatings for implantable devices including biologically erodable polyesters and methods for fabricating the same
US8052912B2 (en)2003-12-012011-11-08Advanced Cardiovascular Systems, Inc.Temperature controlled crimping
USRE45744E1 (en)2003-12-012015-10-13Abbott Cardiovascular Systems Inc.Temperature controlled crimping
US7538180B2 (en)2003-12-162009-05-26Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on poly(ester amides) and methods for fabricating the same
US7220816B2 (en)2003-12-162007-05-22Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on poly(ester amides) and methods for fabricating the same
US7786249B2 (en)2003-12-192010-08-31Advanced Cardiovascular Systems, Inc.Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
US7632914B2 (en)2003-12-192009-12-15Advanced Cardiovascular Systems, Inc.Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
US7435788B2 (en)2003-12-192008-10-14Advanced Cardiovascular Systems, Inc.Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
US7772359B2 (en)2003-12-192010-08-10Advanced Cardiovascular Systems, Inc.Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
US7563324B1 (en)2003-12-292009-07-21Advanced Cardiovascular Systems Inc.System and method for coating an implantable medical device
US8685431B2 (en)2004-03-162014-04-01Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on copolymers having ester bonds and methods for fabricating the same
US8778014B1 (en)2004-03-312014-07-15Advanced Cardiovascular Systems, Inc.Coatings for preventing balloon damage to polymer coated stents
US7553377B1 (en)2004-04-272009-06-30Advanced Cardiovascular Systems, Inc.Apparatus and method for electrostatic coating of an abluminal stent surface
US8293890B2 (en)2004-04-302012-10-23Advanced Cardiovascular Systems, Inc.Hyaluronic acid based copolymers
US9101697B2 (en)2004-04-302015-08-11Abbott Cardiovascular Systems Inc.Hyaluronic acid based copolymers
US7820732B2 (en)2004-04-302010-10-26Advanced Cardiovascular Systems, Inc.Methods for modulating thermal and mechanical properties of coatings on implantable devices
US9561309B2 (en)2004-05-272017-02-07Advanced Cardiovascular Systems, Inc.Antifouling heparin coatings
US9364498B2 (en)2004-06-182016-06-14Abbott Cardiovascular Systems Inc.Heparin prodrugs and drug delivery stents formed therefrom
US7396541B2 (en)2004-06-182008-07-08Advanced Cardiovascular Systems, Inc.Heparin prodrugs and drug delivery stents formed therefrom
US7563780B1 (en)2004-06-182009-07-21Advanced Cardiovascular Systems, Inc.Heparin prodrugs and drug delivery stents formed therefrom
US9375445B2 (en)2004-06-182016-06-28Abbott Cardiovascular Systems Inc.Heparin prodrugs and drug delivery stents formed therefrom
US8017140B2 (en)2004-06-292011-09-13Advanced Cardiovascular System, Inc.Drug-delivery stent formulations for restenosis and vulnerable plaque
US7758881B2 (en)2004-06-302010-07-20Advanced Cardiovascular Systems, Inc.Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders with an implantable medical device
US7494665B1 (en)2004-07-302009-02-24Advanced Cardiovascular Systems, Inc.Polymers containing siloxane monomers
US9580558B2 (en)2004-07-302017-02-28Abbott Cardiovascular Systems Inc.Polymers containing siloxane monomers
US8586075B2 (en)2004-07-302013-11-19Abbott Cardiovascular Systems Inc.Coatings for implantable devices comprising poly(hydroxy-alkanoates) and diacid linkages
US8758801B2 (en)2004-07-302014-06-24Abbott Cardiocascular Systems Inc.Coatings for implantable devices comprising poly(hydroxy-alkanoates) and diacid linkages
US8357391B2 (en)2004-07-302013-01-22Advanced Cardiovascular Systems, Inc.Coatings for implantable devices comprising poly (hydroxy-alkanoates) and diacid linkages
US7311980B1 (en)2004-08-022007-12-25Advanced Cardiovascular Systems, Inc.Polyactive/polylactic acid coatings for an implantable device
US7648727B2 (en)2004-08-262010-01-19Advanced Cardiovascular Systems, Inc.Methods for manufacturing a coated stent-balloon assembly
US7357793B2 (en)2004-08-312008-04-15Advanced Cardiovascular Systems, Inc.Polymers of fluorinated and hydrophilic monomers
US7244443B2 (en)2004-08-312007-07-17Advanced Cardiovascular Systems, Inc.Polymers of fluorinated monomers and hydrophilic monomers
US7766884B2 (en)2004-08-312010-08-03Advanced Cardiovascular Systems, Inc.Polymers of fluorinated monomers and hydrophilic monomers
US8110211B2 (en)2004-09-222012-02-07Advanced Cardiovascular Systems, Inc.Medicated coatings for implantable medical devices including polyacrylates
US7365133B2 (en)2004-10-062008-04-29Advanced Cardiovascular Systems, Inc.Blends of poly(ester amide) polymers
US7507251B2 (en)2004-10-062009-03-24Advanced Cardiovascular Systems, Inc.Blends of poly(ester amide) polymers
US7520891B2 (en)2004-10-062009-04-21Advanced Cardiovascular Systems, Inc.Blends of poly(ester amide) polymers
US7166680B2 (en)2004-10-062007-01-23Advanced Cardiovascular Systems, Inc.Blends of poly(ester amide) polymers
US9067000B2 (en)2004-10-272015-06-30Abbott Cardiovascular Systems Inc.End-capped poly(ester amide) copolymers
US8603634B2 (en)2004-10-272013-12-10Abbott Cardiovascular Systems Inc.End-capped poly(ester amide) copolymers
US7390497B2 (en)2004-10-292008-06-24Advanced Cardiovascular Systems, Inc.Poly(ester amide) filler blends for modulation of coating properties
US7481835B1 (en)2004-10-292009-01-27Advanced Cardiovascular Systems, Inc.Encapsulated covered stent
US7749263B2 (en)2004-10-292010-07-06Abbott Cardiovascular Systems Inc.Poly(ester amide) filler blends for modulation of coating properties
US7569655B2 (en)2004-11-242009-08-04Abbott Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on polyesters and methods for fabricating the same
US7214759B2 (en)2004-11-242007-05-08Advanced Cardiovascular Systems, Inc.Biologically absorbable coatings for implantable devices based on polyesters and methods for fabricating the same
US8609123B2 (en)2004-11-292013-12-17Advanced Cardiovascular Systems, Inc.Derivatized poly(ester amide) as a biobeneficial coating
US7892592B1 (en)2004-11-302011-02-22Advanced Cardiovascular Systems, Inc.Coating abluminal surfaces of stents and other implantable medical devices
US7632307B2 (en)2004-12-162009-12-15Advanced Cardiovascular Systems, Inc.Abluminal, multilayer coating constructs for drug-delivery stents
US7604818B2 (en)2004-12-222009-10-20Advanced Cardiovascular Systems, Inc.Polymers of fluorinated monomers and hydrocarbon monomers
US9339592B2 (en)2004-12-222016-05-17Abbott Cardiovascular Systems Inc.Polymers of fluorinated monomers and hydrocarbon monomers
US7419504B2 (en)2004-12-272008-09-02Advanced Cardiovascular Systems, Inc.Poly(ester amide) block copolymers
US7699889B2 (en)2004-12-272010-04-20Advanced Cardiovascular Systems, Inc.Poly(ester amide) block copolymers
US8007775B2 (en)2004-12-302011-08-30Advanced Cardiovascular Systems, Inc.Polymers containing poly(hydroxyalkanoates) and agents for use with medical articles and methods of fabricating the same
US7361726B2 (en)2005-01-142008-04-22Advanced Cardiovascular Systems Inc.Poly(hydroxyalkanoate-co-ester amides) and agents for use with medical articles
US7202325B2 (en)2005-01-142007-04-10Advanced Cardiovascular Systems, Inc.Poly(hydroxyalkanoate-co-ester amides) and agents for use with medical articles
US7795467B1 (en)2005-04-262010-09-14Advanced Cardiovascular Systems, Inc.Bioabsorbable, biobeneficial polyurethanes for use in medical devices
US8778375B2 (en)2005-04-292014-07-15Advanced Cardiovascular Systems, Inc.Amorphous poly(D,L-lactide) coating
US7637941B1 (en)2005-05-112009-12-29Advanced Cardiovascular Systems, Inc.Endothelial cell binding coatings for rapid encapsulation of bioerodable stents
US7622070B2 (en)2005-06-202009-11-24Advanced Cardiovascular Systems, Inc.Method of manufacturing an implantable polymeric medical device
US7823533B2 (en)2005-06-302010-11-02Advanced Cardiovascular Systems, Inc.Stent fixture and method for reducing coating defects
US8021676B2 (en)2005-07-082011-09-20Advanced Cardiovascular Systems, Inc.Functionalized chemically inert polymers for coatings
US7785647B2 (en)2005-07-252010-08-31Advanced Cardiovascular Systems, Inc.Methods of providing antioxidants to a drug containing product
US7735449B1 (en)2005-07-282010-06-15Advanced Cardiovascular Systems, Inc.Stent fixture having rounded support structures and method for use thereof
US9102830B2 (en)2005-09-222015-08-11Medivas, LlcBis-(α-amino)-diol-diester-containing poly (ester amide) and poly (ester urethane) compositions and methods of use
US8652504B2 (en)2005-09-222014-02-18Medivas, LlcSolid polymer delivery compositions and methods for use thereof
US7976891B1 (en)2005-12-162011-07-12Advanced Cardiovascular Systems, Inc.Abluminal stent coating apparatus and method of using focused acoustic energy
US7591841B2 (en)2005-12-162009-09-22Advanced Cardiovascular Systems, Inc.Implantable devices for accelerated healing
US7638156B1 (en)2005-12-192009-12-29Advanced Cardiovascular Systems, Inc.Apparatus and method for selectively coating a medical article
US8067025B2 (en)2006-02-172011-11-29Advanced Cardiovascular Systems, Inc.Nitric oxide generating medical devices
US7601383B2 (en)2006-02-282009-10-13Advanced Cardiovascular Systems, Inc.Coating construct containing poly (vinyl alcohol)
US7713637B2 (en)2006-03-032010-05-11Advanced Cardiovascular Systems, Inc.Coating containing PEGylated hyaluronic acid and a PEGylated non-hyaluronic acid polymer
US8304012B2 (en)2006-05-042012-11-06Advanced Cardiovascular Systems, Inc.Method for drying a stent
US8069814B2 (en)2006-05-042011-12-06Advanced Cardiovascular Systems, Inc.Stent support devices
US7985441B1 (en)2006-05-042011-07-26Yiwen TangPurification of polymers for coating applications
US7775178B2 (en)2006-05-262010-08-17Advanced Cardiovascular Systems, Inc.Stent coating apparatus and method
US9561351B2 (en)2006-05-312017-02-07Advanced Cardiovascular Systems, Inc.Drug delivery spiral coil construct
US8568764B2 (en)2006-05-312013-10-29Advanced Cardiovascular Systems, Inc.Methods of forming coating layers for medical devices utilizing flash vaporization
US8703167B2 (en)2006-06-052014-04-22Advanced Cardiovascular Systems, Inc.Coatings for implantable medical devices for controlled release of a hydrophilic drug and a hydrophobic drug
US8029816B2 (en)2006-06-092011-10-04Abbott Cardiovascular Systems Inc.Medical device coated with a coating containing elastin pentapeptide VGVPG
US8778376B2 (en)2006-06-092014-07-15Advanced Cardiovascular Systems, Inc.Copolymer comprising elastin pentapeptide block and hydrophilic block, and medical device and method of treating
US8114150B2 (en)2006-06-142012-02-14Advanced Cardiovascular Systems, Inc.RGD peptide attached to bioabsorbable stents
US8062350B2 (en)2006-06-142011-11-22Abbott Cardiovascular Systems Inc.RGD peptide attached to bioabsorbable stents
US8118863B2 (en)2006-06-142012-02-21Abbott Cardiovascular Systems Inc.RGD peptide attached to bioabsorbable stents
US9028859B2 (en)2006-07-072015-05-12Advanced Cardiovascular Systems, Inc.Phase-separated block copolymer coatings for implantable medical devices
US8703169B1 (en)2006-08-152014-04-22Abbott Cardiovascular Systems Inc.Implantable device having a coating comprising carrageenan and a biostable polymer
US8597673B2 (en)2006-12-132013-12-03Advanced Cardiovascular Systems, Inc.Coating of fast absorption or dissolution
US8147769B1 (en)2007-05-162012-04-03Abbott Cardiovascular Systems Inc.Stent and delivery system with reduced chemical degradation
US9056155B1 (en)2007-05-292015-06-16Abbott Cardiovascular Systems Inc.Coatings having an elastic primer layer
US8109904B1 (en)2007-06-252012-02-07Abbott Cardiovascular Systems Inc.Drug delivery medical devices
US10076591B2 (en)2010-03-312018-09-18Abbott Cardiovascular Systems Inc.Absorbable coating for implantable device

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