BE436707A - - Google Patents

Info

Publication number: BE436707A
Authority: BE; Belgium

Application number

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.)

1938-10-20

Publication of BE436707A publication Critical patent/BE436707A/xx

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/32—Colour coupling substances
- G03C7/36—Couplers containing compounds with active methylene groups

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

BE436707D 1938-10-20 BE436707A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3032838A GB521550A (en)	1938-10-20	1938-10-20	Improvements in and relating to colour forming developers and processes of colour development

Publications (1)

Publication Number	Publication Date
BE436707A true BE436707A (enrdf_load_stackoverflow)

Family

ID=10305897

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE436707D BE436707A (enrdf_load_stackoverflow)	1938-10-20

Country Status (2)

Country	Link
BE (1)	BE436707A (enrdf_load_stackoverflow)
GB (1)	GB521550A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4396701A (en) *	1981-09-11	1983-08-02	Drexler Technology Corporation	Highly absorptive dye-containing underlayer for laser recording and data storage media

0
- BE BE436707D patent/BE436707A/xx unknown
1938
- 1938-10-20 GB GB3032838A patent/GB521550A/en not_active Expired

Also Published As

Publication number	Publication date
GB521550A (en)	1940-05-24

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