BE428903A - - Google Patents

Info

Publication number
BE428903A
BE428903A BE428903DA BE428903A BE 428903 A BE428903 A BE 428903A BE 428903D A BE428903D A BE 428903DA BE 428903 A BE428903 A BE 428903A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE428903A publication Critical patent/BE428903A/xx

Links

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
    • G03C7/38—Couplers containing compounds with active methylene groups in rings
    • G03C7/381—Heterocyclic compounds
    • G03C7/3815—Heterocyclic compounds with one heterocyclic ring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE428903D 1937-07-03 1938-06-30 BE428903A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE839998X 1937-07-03
GB21179/37A GB503318A (en) 1937-07-03 1937-07-30 Process of producing photographic colour pictures

Publications (1)

Publication Number Publication Date
BE428903A true BE428903A (en) 1938-07-30

Family

ID=32070931

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428903D BE428903A (en) 1937-07-03 1938-06-30

Country Status (4)

Country Link
US (1) US2186736A (en)
BE (1) BE428903A (en)
FR (1) FR839998A (en)
GB (1) GB503318A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436007A (en) * 1944-05-12 1948-02-17 Ilford Ltd Dye intermediates for colour photography
US2418748A (en) * 1944-06-07 1947-04-08 Gen Aniline & Film Corp Heterocyclic color couplers
US2421693A (en) * 1944-09-16 1947-06-03 Gen Aniline & Film Corp Imidazolone color formers
US2532744A (en) * 1945-07-04 1950-12-05 Gen Aniline & Film Corp Diazotype containing as the azo component a quaternary salt of 2-methyl-6-methoxy-benzoselenazole
BE470786A (en) * 1945-12-29
BE561008A (en) * 1956-09-26
US5362616A (en) * 1991-12-19 1994-11-08 Eastman Kodak Company Chromogenic black-and-white photographic imaging systems
US5364747A (en) * 1992-11-25 1994-11-15 Eastman Kodak Company Color correcting layers consisting essentially of at least one dye-forming coupler and gelatin in chromogenic black-and-white photographic imaging systems
US5491053A (en) * 1994-12-23 1996-02-13 Eastman Kodak Company Chromogenic black-and-white motion picture film

Also Published As

Publication number Publication date
US2186736A (en) 1940-01-09
GB503318A (en) 1939-03-30
FR839998A (en) 1939-04-17

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