GB9011102D0 - Photographic colour couplers - Google Patents

Photographic colour couplers

Info

Publication number
GB9011102D0
GB9011102D0 GB909011102A GB9011102A GB9011102D0 GB 9011102 D0 GB9011102 D0 GB 9011102D0 GB 909011102 A GB909011102 A GB 909011102A GB 9011102 A GB9011102 A GB 9011102A GB 9011102 D0 GB9011102 D0 GB 9011102D0
Authority
GB
United Kingdom
Prior art keywords
colour couplers
photographic colour
photographic
couplers
colour
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.)
Granted
Application number
GB909011102A
Other versions
GB2244053A (en
GB2244053B (en
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford 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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB9011102A priority Critical patent/GB2244053B/en
Publication of GB9011102D0 publication Critical patent/GB9011102D0/en
Publication of GB2244053A publication Critical patent/GB2244053A/en
Application granted granted Critical
Publication of GB2244053B publication Critical patent/GB2244053B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • 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
    • 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
    • G03C7/305—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers
    • G03C7/30541—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers characterised by the released group
    • G03C7/30552—Mercapto
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB9011102A 1990-05-17 1990-05-17 Pyrazolone colour couplers Expired - Fee Related GB2244053B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9011102A GB2244053B (en) 1990-05-17 1990-05-17 Pyrazolone colour couplers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9011102A GB2244053B (en) 1990-05-17 1990-05-17 Pyrazolone colour couplers

Publications (3)

Publication Number Publication Date
GB9011102D0 true GB9011102D0 (en) 1990-07-04
GB2244053A GB2244053A (en) 1991-11-20
GB2244053B GB2244053B (en) 1994-01-05

Family

ID=10676165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9011102A Expired - Fee Related GB2244053B (en) 1990-05-17 1990-05-17 Pyrazolone colour couplers

Country Status (1)

Country Link
GB (1) GB2244053B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411841A (en) * 1993-05-24 1995-05-02 Eastman Kodak Company Photographic elements containing magenta couplers and process for using same
DE69530198T2 (en) * 1995-09-18 2004-01-29 Ferrania Spa Process for the preparation of 4-arylthio-5-pyrazolone 2-equivalent magnetic couplers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334044B2 (en) * 1974-03-11 1978-09-19
GB2136980B (en) * 1983-02-08 1986-05-14 Kodak Ltd Sensitive silver halide photothermographic materials for producing dye images
JPS59218445A (en) * 1983-05-25 1984-12-08 Fuji Photo Film Co Ltd Color photosensitive material
JPS602953A (en) * 1983-06-20 1985-01-09 Fuji Photo Film Co Ltd Color photographic sensitive material
JPS6098435A (en) * 1983-11-04 1985-06-01 Fuji Photo Film Co Ltd Color image forming method
JPH077192B2 (en) * 1984-10-19 1995-01-30 コニカ株式会社 Silver halide color photographic light-sensitive material

Also Published As

Publication number Publication date
GB2244053A (en) 1991-11-20
GB2244053B (en) 1994-01-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950517