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
  • G03C7/36—Couplers containing compounds with active methylene groups
  • G03C7/38—Couplers containing compounds with active methylene groups in rings
  • G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
  • C07D231/52—Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Silver Salt Photography Or Processing Solution Therefor (AREA)
• Paints Or Removers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5487342

Family Applications (1)

Country Status (10)

Family Cites Families (2)

• 1972
  • 1972-07-04 DD DD16419172A patent/DD103976A1/xx unknown
• 1973
  • 1973-03-16 AT AT234773A patent/AT325947B/de not_active IP Right Cessation
  • 1973-03-19 CH CH394573A patent/CH574627A5/xx not_active IP Right Cessation
  • 1973-06-06 GB GB2698273A patent/GB1401394A/en not_active Expired
  • 1973-06-13 FR FR7321528A patent/FR2191158B1/fr not_active Expired
  • 1973-06-25 DE DE19732332280 patent/DE2332280C2/de not_active Expired
  • 1973-06-29 BE BE132965A patent/BE801725A/xx not_active IP Right Cessation
  • 1973-06-29 SU SU1935343A patent/SU496530A1/ru active
  • 1973-07-03 HU HUFI000537 patent/HU167753B/hu not_active IP Right Cessation
  • 1973-07-03 CS CS481573A patent/CS188167B2/cs unknown

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