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FR1140526A - Diffusion transfer process for obtaining direct positive photographic images - Google Patents

Diffusion transfer process for obtaining direct positive photographic images

Info

Publication number
FR1140526A
FR1140526AFR1140526DAFR1140526AFR 1140526 AFR1140526 AFR 1140526AFR 1140526D AFR1140526D AFR 1140526DAFR 1140526 AFR1140526 AFR 1140526A
Authority
FR
France
Prior art keywords
transfer process
photographic images
diffusion transfer
direct positive
positive photographic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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.)
Filing date
Publication date
Application filed by Gevaert Photo Producten NVfiledCriticalGevaert Photo Producten NV
Application grantedgrantedCritical
Publication of FR1140526ApublicationCriticalpatent/FR1140526A/en
Expiredlegal-statusCriticalCurrent

Links

Classifications

Landscapes

FR1140526D1955-01-031955-12-27 Diffusion transfer process for obtaining direct positive photographic imagesExpiredFR1140526A (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB5455AGB783793A (en)1955-01-031955-01-03Improvements in or relating to the photographic diffusion-transfer process

Publications (1)

Publication NumberPublication Date
FR1140526Atrue FR1140526A (en)1957-07-24

Family

ID=9697586

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR1140526DExpiredFR1140526A (en)1955-01-031955-12-27 Diffusion transfer process for obtaining direct positive photographic images

Country Status (2)

CountryLink
FR (1)FR1140526A (en)
GB (1)GB783793A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
BE582161A (en)*1958-08-29
US3053657A (en)*1959-05-041962-09-11Eastman Kodak CoPhotographic silver halide diffusion transfer process
US3068098A (en)*1960-03-231962-12-11Eastman Kodak CoPhotographic diffusion transfer process
BE608384A (en)*1960-09-24
BE605802A (en)*1961-07-06
EP0576736B1 (en)*1992-07-021996-03-13Agfa-Gevaert N.V.A method for making a lithographic printing plate according to the silver salt diffusion transfer process

Also Published As

Publication numberPublication date
GB783793A (en)1957-10-02

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