FR804473A - Improvements to chromogenic developers - Google Patents

Improvements to chromogenic developers

Info

Publication number
FR804473A
FR804473A FR804473DA FR804473A FR 804473 A FR804473 A FR 804473A FR 804473D A FR804473D A FR 804473DA FR 804473 A FR804473 A FR 804473A
Authority
FR
France
Prior art keywords
chromogenic developers
chromogenic
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 FR804473A publication Critical patent/FR804473A/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
    • G03C7/34—Couplers containing phenols
    • G03C7/346—Phenolic couplers
    • 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
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers
    • G03C7/4136—Developers p-Phenylenediamine or derivatives thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR804473D 1935-02-27 1936-02-27 Improvements to chromogenic developers Expired FR804473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8520A US2039730A (en) 1935-02-27 1935-02-27 Color-forming developer

Publications (1)

Publication Number Publication Date
FR804473A true FR804473A (en) 1936-10-24

Family

ID=21732057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804473D Expired FR804473A (en) 1935-02-27 1936-02-27 Improvements to chromogenic developers

Country Status (2)

Country Link
US (1) US2039730A (en)
FR (1) FR804473A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548574A (en) * 1947-02-27 1951-04-10 Eastman Kodak Co Sulfonamide substituted p-phenylenediamines containing o-alkoxy groups as silver halide photographic developers
DE1007171B (en) * 1954-10-01 1957-04-25 Ici Ltd Photographic developer, especially for color development

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550661A (en) * 1947-03-27 1951-05-01 Eastman Kodak Co Color couplers containing terphenyl radicals
BE485609A (en) * 1947-11-04 1942-11-12
BE486255A (en) * 1947-12-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548574A (en) * 1947-02-27 1951-04-10 Eastman Kodak Co Sulfonamide substituted p-phenylenediamines containing o-alkoxy groups as silver halide photographic developers
DE1007171B (en) * 1954-10-01 1957-04-25 Ici Ltd Photographic developer, especially for color development

Also Published As

Publication number Publication date
US2039730A (en) 1936-05-05

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