IT1123942B - SEMIPERMEABLE MEMBRANES OF CAPOLIAMIDES AND PROCEDURE FOR THEIR PREPARATION - Google Patents

SEMIPERMEABLE MEMBRANES OF CAPOLIAMIDES AND PROCEDURE FOR THEIR PREPARATION

Info

Publication number: IT1123942B
Authority: IT; Italy
Prior art keywords: capoliamides; procedure; preparation; semipermeable membranes; semipermeable
Prior art date: 1975-12-06

Original Assignee

Bayer Ag

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1975-12-06

Filing date

1976-12-03

Publication date

1986-04-30

1976-12-03Application filed by Bayer AgfiledCriticalBayer Ag

1986-04-30Application grantedgrantedCritical

1986-04-30Publication of IT1123942BpublicationCriticalpatent/IT1123942B/en

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/38—Polyamides prepared from aldehydes and polynitriles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyamides (AREA)
Separation Using Semi-Permeable Membranes (AREA)

IT30101/76A1975-12-061976-12-03 SEMIPERMEABLE MEMBRANES OF CAPOLIAMIDES AND PROCEDURE FOR THEIR PREPARATIONIT1123942B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752554932DE2554932A1 (en)	1975-12-06	1975-12-06	SEMIPERMEABLE MEMBRANES MADE OF COPOLYAMIDES

Publications (1)

Publication Number	Publication Date
IT1123942Btrue IT1123942B (en)	1986-04-30

Family

ID=5963661

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT30101/76AIT1123942B (en)	1975-12-06	1976-12-03	SEMIPERMEABLE MEMBRANES OF CAPOLIAMIDES AND PROCEDURE FOR THEIR PREPARATION

Country Status (9)

Country	Link
JP (1)	JPS5270989A (en)
AT (1)	AT364733B (en)
BE (1)	BE849099A (en)
CA (1)	CA1101161A (en)
DE (1)	DE2554932A1 (en)
FR (1)	FR2333548A1 (en)
GB (1)	GB1539264A (en)
IT (1)	IT1123942B (en)
NL (1)	NL7613507A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55115428A (en)*	1979-02-26	1980-09-05	Teijin Ltd	Aromatic compolyamide and preparation thereof
JPS5734125A (en)*	1980-08-07	1982-02-24	Teijin Ltd	Fully aromatic polyamide fiber and film and their production
US4385148A (en)*	1981-06-25	1983-05-24	E. I. Du Pont De Nemours And Company	Reverse osmosis membrane preparation
JPS5855006A (en)*	1981-09-28	1983-04-01	Mitsubishi Chem Ind Ltd	Polysulfone ether amide membrane
ES8308901A1 (en)*	1981-10-21	1983-10-01	Du Pont	Supported reverse osmosis membranes.
DE3220376A1 (en)*	1982-05-29	1983-12-01	Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach	MEMBRANE FILTER FOR MICROFILTRATION AND METHOD FOR THE PRODUCTION THEREOF
DE3342823A1 (en)*	1983-11-26	1985-06-05	Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach	METHOD FOR PRODUCING FILTER ELEMENTS BASED ON AROMATIC POLYAMIDE
US4621134A (en)*	1984-04-25	1986-11-04	Mitsubishi Petrochemical Co., Ltd.	Aromatic polythioetheramide
JPS61259727A (en)*	1985-05-13	1986-11-18	Agency Of Ind Science & Technol	Separation membrane
JPS62102803A (en)*	1985-10-31	1987-05-13	Agency Of Ind Science & Technol	Separating membrane
JPS62102802A (en)*	1985-10-31	1987-05-13	Agency Of Ind Science & Technol	Separating membrane
US4695383A (en)*	1986-03-12	1987-09-22	Toyo Boseki Kabushiki Kaisha	Permselective membrane
DE3731185A1 (en)*	1987-09-17	1989-03-30	Huels Chemische Werke Ag	MOLDS OF HIGH MOLECULAR AROMATIC POLYAMIDES
EP0473541A3 (en)*	1990-08-17	1992-05-27	Ciba-Geigy Ag	Process for enrichment or separation, copolyamide and copolyimidamide and their use

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3094511A (en)*	1958-11-17	1963-06-18	Du Pont	Wholly aromatic polyamides
US3349062A (en)*	1966-07-21	1967-10-24	Du Pont	Halogenated aromatic polyamides
US3567632A (en)*	1968-09-04	1971-03-02	Du Pont	Permselective,aromatic,nitrogen-containing polymeric membranes
US3904519A (en)*	1971-10-19	1975-09-09	Us Interior	Reverse osmosis process using crosslinked aromatic polyamide membranes
FR2193634A1 (en)*	1972-07-20	1974-02-22	Du Pont	Polyimide semi-permeable membranes
JPS5223346B2 (en)*	1972-08-30	1977-06-23
US3993625A (en)*	1973-05-28	1976-11-23	Toray Industries, Inc.	Permselective polymeric membranes of organic polyamide or polyhydrazide
DE2556883C2 (en)*	1974-12-27	1981-11-26	Teijin Ltd., Osaka	Aromatic copolyamides and their use for the production of fibers, threads, films and foils
DE2602493A1 (en)*	1975-01-27	1976-07-29	Ramot Plastics	PROCESS FOR THE REMOVAL OF UREA FROM AQUATIC SOLUTIONS

1975
- 1975-12-06DEDE19752554932patent/DE2554932A1/ennot_activeWithdrawn
1976
- 1976-11-29GBGB49609/76Apatent/GB1539264A/ennot_activeExpired
- 1976-12-03ATAT0897276Apatent/AT364733B/ennot_activeIP Right Cessation
- 1976-12-03ITIT30101/76Apatent/IT1123942B/enactive
- 1976-12-03CACA267,138Apatent/CA1101161A/ennot_activeExpired
- 1976-12-03NLNL7613507Apatent/NL7613507A/ennot_activeApplication Discontinuation
- 1976-12-03JPJP51144876Apatent/JPS5270989A/enactivePending
- 1976-12-06BEBE172994Apatent/BE849099A/ennot_activeIP Right Cessation
- 1976-12-06FRFR7636695Apatent/FR2333548A1/enactiveGranted

Also Published As

Publication number	Publication date
AT364733B (en)	1981-11-10
GB1539264A (en)	1979-01-31
JPS5270989A (en)	1977-06-13
DE2554932A1 (en)	1977-06-08
FR2333548B1 (en)	1983-02-18
NL7613507A (en)	1977-06-08
BE849099A (en)	1977-06-06
CA1101161A (en)	1981-05-19
FR2333548A1 (en)	1977-07-01
ATA897276A (en)	1981-04-15

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