FR1070666A - Dihydroxydiphenylmethane series couplers - Google Patents

Dihydroxydiphenylmethane series couplers

Info

Publication number
FR1070666A
FR1070666A FR1070666DA FR1070666A FR 1070666 A FR1070666 A FR 1070666A FR 1070666D A FR1070666D A FR 1070666DA FR 1070666 A FR1070666 A FR 1070666A
Authority
FR
France
Prior art keywords
dihydroxydiphenylmethane
series couplers
couplers
series
dihydroxydiphenylmethane series
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 FR1070666A publication Critical patent/FR1070666A/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
    • G03C7/305—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers
    • G03C7/30511—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers characterised by the releasing group
    • G03C7/30517—2-equivalent couplers, i.e. with a substitution on the coupling site being compulsory with the exception of halogen-substitution
    • G03C7/30523—Phenols or naphtols couplers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR1070666D 1945-09-28 1948-02-26 Dihydroxydiphenylmethane series couplers Expired FR1070666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US619261A US2476008A (en) 1945-09-28 1945-09-28 p-hydroxy benzyl alcohol couplers for color photography

Publications (1)

Publication Number Publication Date
FR1070666A true FR1070666A (en) 1954-08-05

Family

ID=24481158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1070666D Expired FR1070666A (en) 1945-09-28 1948-02-26 Dihydroxydiphenylmethane series couplers

Country Status (2)

Country Link
US (1) US2476008A (en)
FR (1) FR1070666A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955038A (en) * 1957-07-16 1960-10-04 Du Pont Sensitized silver halide emulsions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930262B2 (en) * 1978-11-14 1984-07-26 富士写真フイルム株式会社 Silver halide photographic material
US5091291A (en) * 1990-10-25 1992-02-25 Eastman Kodak Company Alkyl substituted photographic couplers and photographic elements and processes employing same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB458664A (en) * 1935-03-21 1936-12-21 Eastman Kodak Co Improvements in and relating to colour forming developers and processes of colour development
BE434126A (en) * 1938-05-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955038A (en) * 1957-07-16 1960-10-04 Du Pont Sensitized silver halide emulsions

Also Published As

Publication number Publication date
US2476008A (en) 1949-07-12

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