GB1539596A - Two-equivalent magenta dye-forming photographic couplers - Google Patents

Two-equivalent magenta dye-forming photographic couplers

Info

Publication number
GB1539596A
GB1539596A GB7456/76A GB745676A GB1539596A GB 1539596 A GB1539596 A GB 1539596A GB 7456/76 A GB7456/76 A GB 7456/76A GB 745676 A GB745676 A GB 745676A GB 1539596 A GB1539596 A GB 1539596A
Authority
GB
United Kingdom
Prior art keywords
magenta dye
forming photographic
photographic couplers
equivalent magenta
couplers
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
Application number
GB7456/76A
Other languages
English (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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of GB1539596A publication Critical patent/GB1539596A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C7/30511—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers characterised by the releasing group
    • G03C7/30517—2-equivalent couplers, i.e. with a substitution on the coupling site being compulsory with the exception of halogen-substitution
    • G03C7/30529—2-equivalent couplers, i.e. with a substitution on the coupling site being compulsory with the exception of halogen-substitution having the coupling site in rings of cyclic compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB7456/76A 1975-02-25 1976-02-25 Two-equivalent magenta dye-forming photographic couplers Expired GB1539596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50023279A JPS51112342A (en) 1975-02-25 1975-02-25 Divalent magenta coupler for color photograph

Publications (1)

Publication Number Publication Date
GB1539596A true GB1539596A (en) 1979-01-31

Family

ID=12106151

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7456/76A Expired GB1539596A (en) 1975-02-25 1976-02-25 Two-equivalent magenta dye-forming photographic couplers

Country Status (5)

Country Link
US (1) US4126462A (OSRAM)
JP (1) JPS51112342A (OSRAM)
DE (1) DE2607726A1 (OSRAM)
FR (1) FR2302551A1 (OSRAM)
GB (1) GB1539596A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448237A (en) * 1977-09-22 1979-04-16 Fuji Photo Film Co Ltd Cyan coupler for photography
US5704364A (en) * 1995-11-08 1998-01-06 Instromedix, Inc. Concurrent medical patient data and voice communication method and apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415652A (en) * 1965-04-01 1968-12-10 Eastman Kodak Co Silver halide color photographic elements utilizing alpha-sulfonyloxy substituted two-equivalent yellow-forming couplers
US3765886A (en) * 1971-08-06 1973-10-16 Eastman Kodak Co Image transfer systems with {40 onium indophenoxide image dyes

Also Published As

Publication number Publication date
JPS5346452B2 (OSRAM) 1978-12-14
FR2302551A1 (fr) 1976-09-24
JPS51112342A (en) 1976-10-04
DE2607726A1 (de) 1976-09-02
US4126462A (en) 1978-11-21
FR2302551B1 (OSRAM) 1979-08-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee