USB311317I5 - - Google Patents

Info

Publication number
USB311317I5
USB311317I5 US31131772A USB311317I5 US B311317 I5 USB311317 I5 US B311317I5 US 31131772 A US31131772 A US 31131772A US B311317 I5 USB311317 I5 US B311317I5
Authority
US
United States
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.)
Pending
Application number
Other languages
English (en)
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 USB311317I5 publication Critical patent/USB311317I5/en
Application granted granted Critical
Publication of US3918975A publication Critical patent/US3918975A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04—Five-membered rings
    • 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
    • G03C7/333—Coloured coupling substances, e.g. for the correction of the coloured image
    • G03C7/3335—Coloured coupling substances, e.g. for the correction of the coloured image containing an azo chromophore
    • 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
    • G03C7/344—Naphtholic couplers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
US311317A 1971-12-21 1972-12-01 Naphtholic couplers Expired - Lifetime US3918975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT54921/71A IT945587B (it) 1971-12-21 1971-12-21 Copulanti naftolici

Publications (2)

Publication Number Publication Date
USB311317I5 true USB311317I5 (en)) 1975-01-28
US3918975A US3918975A (en) 1975-11-11

Family

ID=11287609

Family Applications (1)

Application Number Title Priority Date Filing Date
US311317A Expired - Lifetime US3918975A (en) 1971-12-21 1972-12-01 Naphtholic couplers

Country Status (9)

Country Link
US (1) US3918975A (en))
JP (1) JPS4871640A (en))
AR (1) AR197312A1 (en))
BE (1) BE793117A (en))
CA (1) CA979433A (en))
DE (1) DE2262447A1 (en))
FR (1) FR2164720B1 (en))
GB (1) GB1405775A (en))
IT (1) IT945587B (en))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443536A (en) 1981-08-25 1984-04-17 Eastman Kodak Company Nondiffusible photographic couplers and photographic elements and processes employing same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5605789A (en) * 1994-12-22 1997-02-25 Eastman Kodak Company Iodochloride emulsions containing iodonium salts having high sensitivity and low fog

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474293A (en) * 1947-09-10 1949-06-28 Eastman Kodak Co 1-naphthol-2-carboxylic acid amide couplers for color photography
US2706684A (en) * 1952-11-28 1955-04-19 Eastman Kodak Co 1-hydroxy-2-naphthamide colored couplers
US3227551A (en) * 1959-04-06 1966-01-04 Eastman Kodak Co Photographic color reproduction process and element
US3615499A (en) * 1968-10-02 1971-10-26 Eastman Kodak Co Photographic processes
US3667956A (en) * 1969-02-24 1972-06-06 Light-sensitive silver halide color photographic materials containing cyan couplers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474293A (en) * 1947-09-10 1949-06-28 Eastman Kodak Co 1-naphthol-2-carboxylic acid amide couplers for color photography
US2706684A (en) * 1952-11-28 1955-04-19 Eastman Kodak Co 1-hydroxy-2-naphthamide colored couplers
US3227551A (en) * 1959-04-06 1966-01-04 Eastman Kodak Co Photographic color reproduction process and element
US3615499A (en) * 1968-10-02 1971-10-26 Eastman Kodak Co Photographic processes
US3667956A (en) * 1969-02-24 1972-06-06 Light-sensitive silver halide color photographic materials containing cyan couplers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443536A (en) 1981-08-25 1984-04-17 Eastman Kodak Company Nondiffusible photographic couplers and photographic elements and processes employing same

Also Published As

Publication number Publication date
BE793117A (fr) 1973-06-21
DE2262447A1 (de) 1973-07-12
FR2164720B1 (en)) 1976-08-27
GB1405775A (en) 1975-09-10
US3918975A (en) 1975-11-11
AR197312A1 (es) 1974-03-29
CA979433A (en) 1975-12-09
FR2164720A1 (en)) 1973-08-03
IT945587B (it) 1973-05-10
JPS4871640A (en)) 1973-09-27

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