FR870142A - Improvements in chromogenic development processes, color developers and photosensitive products for color photography - Google Patents

Improvements in chromogenic development processes, color developers and photosensitive products for color photography

Info

Publication number
FR870142A
FR870142A FR870142DA FR870142A FR 870142 A FR870142 A FR 870142A FR 870142D A FR870142D A FR 870142DA FR 870142 A FR870142 A FR 870142A
Authority
FR
France
Prior art keywords
color
development processes
chromogenic development
photography
developers
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR870142A publication Critical patent/FR870142A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR870142D 1940-02-16 1941-02-18 Improvements in chromogenic development processes, color developers and photosensitive products for color photography Expired FR870142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB296640A GB536673A (en) 1940-02-16 1940-02-16 Improvements in colour development, colour-forming developers and colour photographic elements

Publications (1)

Publication Number Publication Date
FR870142A true FR870142A (en) 1942-03-03

Family

ID=9749371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870142D Expired FR870142A (en) 1940-02-16 1941-02-18 Improvements in chromogenic development processes, color developers and photosensitive products for color photography

Country Status (2)

Country Link
FR (1) FR870142A (en)
GB (1) GB536673A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418748A (en) * 1944-06-07 1947-04-08 Gen Aniline & Film Corp Heterocyclic color couplers

Also Published As

Publication number Publication date
GB536673A (en) 1941-05-22

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