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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11287609

Family Applications (1)

Country Status (9)

Families Citing this family (2)

Family Cites Families (5)

• 1971
  • 1971-12-21 IT IT54921/71A patent/IT945587B/it active
• 1972
  • 1972-12-01 CA CA158,407A patent/CA979433A/en not_active Expired
  • 1972-12-01 US US311317A patent/US3918975A/en not_active Expired - Lifetime
  • 1972-12-20 GB GB5895772A patent/GB1405775A/en not_active Expired
  • 1972-12-20 DE DE2262447A patent/DE2262447A1/de active Pending
  • 1972-12-20 AR AR245748A patent/AR197312A1/es active
  • 1972-12-20 FR FR7245370A patent/FR2164720B1/fr not_active Expired
  • 1972-12-20 JP JP47128100A patent/JPS4871640A/ja active Pending
  • 1972-12-21 BE BE793117D patent/BE793117A/xx unknown

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