GB8904004D0 - The use of pyrazolo-triazole photographic colour couplers - Google Patents

The use of pyrazolo-triazole photographic colour couplers

Info

Publication number
GB8904004D0
GB8904004D0 GB898904004A GB8904004A GB8904004D0 GB 8904004 D0 GB8904004 D0 GB 8904004D0 GB 898904004 A GB898904004 A GB 898904004A GB 8904004 A GB8904004 A GB 8904004A GB 8904004 D0 GB8904004 D0 GB 8904004D0
Authority
GB
United Kingdom
Prior art keywords
pyrazolo
triazole
colour couplers
photographic colour
photographic
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.)
Pending
Application number
GB898904004A
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.)
Kodak Ltd
Original Assignee
Kodak 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 Kodak Ltd filed Critical Kodak Ltd
Priority to GB898904004A priority Critical patent/GB8904004D0/en
Publication of GB8904004D0 publication Critical patent/GB8904004D0/en
Priority to AT90903197T priority patent/ATE139043T1/en
Priority to EP90903197A priority patent/EP0460008B1/en
Priority to DE69027309T priority patent/DE69027309D1/en
Priority to PCT/GB1990/000232 priority patent/WO1990010253A1/en
Priority to JP2037537A priority patent/JPH0354554A/en
Pending legal-status Critical Current

Links

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
    • G03C7/381—Heterocyclic compounds
    • G03C7/382—Heterocyclic compounds with two heterocyclic rings
    • G03C7/3825—Heterocyclic compounds with two heterocyclic rings the nuclei containing only nitrogen as hetero atoms
    • G03C7/3835—Heterocyclic compounds with two heterocyclic rings the nuclei containing only nitrogen as hetero atoms four nitrogen atoms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

The use of 1H-pyrazolo[1,5-b]-1,2,4-triazole couplers containing a tertiary carbon group on the coupler nucleus in photographic silver halide materials of which the halide comprises more than 80 % chloride, in order to improve raw stock stability (shelf life).
GB898904004A 1989-02-22 1989-02-22 The use of pyrazolo-triazole photographic colour couplers Pending GB8904004D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB898904004A GB8904004D0 (en) 1989-02-22 1989-02-22 The use of pyrazolo-triazole photographic colour couplers
AT90903197T ATE139043T1 (en) 1989-02-22 1990-02-14 USE OF PYRAZOLETRIAZOLE PHOTOGRAPHIC COLOR COUPLER
EP90903197A EP0460008B1 (en) 1989-02-22 1990-02-14 The use of pyrazolo-triazole photographic colour couplers
DE69027309T DE69027309D1 (en) 1989-02-22 1990-02-14 USE OF PYRAZOLTRIAZOLE PHOTOGRAPHIC COLOR COUPLER
PCT/GB1990/000232 WO1990010253A1 (en) 1989-02-22 1990-02-14 The use of pyrazolo-triazole photographic colour couplers
JP2037537A JPH0354554A (en) 1989-02-22 1990-02-20 Use of pyrazolone triazole photographic color coupler class

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898904004A GB8904004D0 (en) 1989-02-22 1989-02-22 The use of pyrazolo-triazole photographic colour couplers

Publications (1)

Publication Number Publication Date
GB8904004D0 true GB8904004D0 (en) 1989-04-05

Family

ID=10652100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB898904004A Pending GB8904004D0 (en) 1989-02-22 1989-02-22 The use of pyrazolo-triazole photographic colour couplers

Country Status (6)

Country Link
EP (1) EP0460008B1 (en)
JP (1) JPH0354554A (en)
AT (1) ATE139043T1 (en)
DE (1) DE69027309D1 (en)
GB (1) GB8904004D0 (en)
WO (1) WO1990010253A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9026557D0 (en) * 1990-12-06 1991-01-23 Kodak Ltd Photographic colour couplers and photographic materials containing them

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6363044A (en) * 1986-09-04 1988-03-19 Fuji Photo Film Co Ltd Color image forming method
DE3766696D1 (en) * 1986-12-27 1991-01-24 Konishiroku Photo Ind LIGHT SENSITIVE PHOTOGRAPHIC SILVER HALOGENID MATERIAL.
JP2540057B2 (en) * 1988-01-21 1996-10-02 富士写真フイルム株式会社 Silver halide color-processing method of photographic light-sensitive material
JPH01193737A (en) * 1988-01-28 1989-08-03 Konica Corp Silver halide photographic sensitive material

Also Published As

Publication number Publication date
JPH0354554A (en) 1991-03-08
EP0460008B1 (en) 1996-06-05
ATE139043T1 (en) 1996-06-15
WO1990010253A1 (en) 1990-09-07
EP0460008A1 (en) 1991-12-11
DE69027309D1 (en) 1996-07-11

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