BE794956A - Nouveaux composes phenoliques, procede pour leur preparation et leurs applications, notamment en photographie - Google Patents

Nouveaux composes phenoliques, procede pour leur preparation et leurs applications, notamment en photographie

Info

Publication number
BE794956A
BE794956A BE794956DA BE794956A BE 794956 A BE794956 A BE 794956A BE 794956D A BE794956D A BE 794956DA BE 794956 A BE794956 A BE 794956A
Authority
BE
Belgium
Prior art keywords
photography
applications
preparation
phenolic compounds
new phenolic
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
P T S Lau
Original Assignee
Eastman Kodak Co
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.)
Publication date
Publication of BE794956A publication Critical patent/BE794956A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/23—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
    • C07C323/39—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton at least one of the nitrogen atoms being part of any of the groups, X being a hetero atom, Y being any atom
    • C07C323/43—Y being a hetero atom
    • C07C323/44—X or Y being nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C391/00—Compounds containing selenium
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE794956D 1972-02-03 Nouveaux composes phenoliques, procede pour leur preparation et leurs applications, notamment en photographie BE794956A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22337572A 1972-02-03 1972-02-03

Publications (1)

Publication Number Publication Date
BE794956A true BE794956A (fr) 1973-08-02

Family

ID=22836246

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794956D BE794956A (fr) 1972-02-03 Nouveaux composes phenoliques, procede pour leur preparation et leurs applications, notamment en photographie

Country Status (5)

Country Link
US (1) US3779763A (enExample)
BE (1) BE794956A (enExample)
CA (1) CA1012547A (enExample)
FR (1) FR2170168B1 (enExample)
GB (1) GB1407922A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880661A (en) * 1971-12-29 1975-04-29 Eastman Kodak Co Silver halide emulsion containing acylamidophenol photographic couplers
JPS532728B2 (enExample) * 1974-01-25 1978-01-31
US4443536A (en) * 1981-08-25 1984-04-17 Eastman Kodak Company Nondiffusible photographic couplers and photographic elements and processes employing same
US5043469A (en) * 1989-07-17 1991-08-27 Eastman Kodak Company Process for preparing 5-substituted aminophenols
US4940812A (en) * 1989-07-17 1990-07-10 Eastman Kodak Company 5-substituted aminophenols
EP0574090A1 (en) 1992-06-12 1993-12-15 Eastman Kodak Company One equivalent couplers and low pKa release dyes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369929A (en) * 1943-03-18 1945-02-20 Eastman Kodak Co Acylamino phenol couplers
US3620745A (en) * 1968-04-01 1971-11-16 Eastman Kodak Co Color photographic silver halide emulsions of different developing speed one layer having a dir coupler

Also Published As

Publication number Publication date
GB1407922A (en) 1975-10-01
US3779763A (en) 1973-12-18
FR2170168A1 (enExample) 1973-09-14
FR2170168B1 (enExample) 1975-10-31
CA1012547A (en) 1977-06-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EASTMAN KODAK CY

Effective date: 19840202