US3897254A - Silver halide containing pyrazolone magenta coupler - Google Patents

Silver halide containing pyrazolone magenta coupler Download PDF

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Publication number
US3897254A
US3897254A US468995A US46899574A US3897254A US 3897254 A US3897254 A US 3897254A US 468995 A US468995 A US 468995A US 46899574 A US46899574 A US 46899574A US 3897254 A US3897254 A US 3897254A
Authority
US
United States
Prior art keywords
silver halide
coupler
magenta coupler
pyrazolone
trichlorophenyl
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 - Lifetime
Application number
US468995A
Other languages
English (en)
Inventor
Shoji Yamada
Shoichi Horii
Kiyoshi Yamashita
Kiyoshi Futaki
Mamoru Sekido
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills Ltd
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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Application granted granted Critical
Publication of US3897254A publication Critical patent/US3897254A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C07D231/38—Nitrogen atoms
    • C07D231/40—Acylated on said nitrogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
US468995A 1973-05-11 1974-05-10 Silver halide containing pyrazolone magenta coupler Expired - Lifetime US3897254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48052395A JPS515940B2 (de) 1973-05-11 1973-05-11

Publications (1)

Publication Number Publication Date
US3897254A true US3897254A (en) 1975-07-29

Family

ID=12913602

Family Applications (1)

Application Number Title Priority Date Filing Date
US468995A Expired - Lifetime US3897254A (en) 1973-05-11 1974-05-10 Silver halide containing pyrazolone magenta coupler

Country Status (2)

Country Link
US (1) US3897254A (de)
JP (1) JPS515940B2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS503293A (de) * 1973-05-11 1975-01-14

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600788A (en) * 1949-06-07 1952-06-17 Eastman Kodak Co Halogen-substituted pyrazolone couplers for color photography
US3580722A (en) * 1968-02-09 1971-05-25 Konishiroku Photo Ind Light-sensitive silver halide color photographic emulsion
US3676137A (en) * 1969-08-27 1972-07-11 Fuji Photo Film Co Ltd Color photographic light-sensitive element containing magenta coupler and alkyl phosphate solvent

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600788A (en) * 1949-06-07 1952-06-17 Eastman Kodak Co Halogen-substituted pyrazolone couplers for color photography
US3580722A (en) * 1968-02-09 1971-05-25 Konishiroku Photo Ind Light-sensitive silver halide color photographic emulsion
US3676137A (en) * 1969-08-27 1972-07-11 Fuji Photo Film Co Ltd Color photographic light-sensitive element containing magenta coupler and alkyl phosphate solvent

Also Published As

Publication number Publication date
JPS503630A (de) 1975-01-16
JPS515940B2 (de) 1976-02-24

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