ATE139043T1 - USE OF PYRAZOLETRIAZOLE PHOTOGRAPHIC COLOR COUPLER - Google Patents

USE OF PYRAZOLETRIAZOLE PHOTOGRAPHIC COLOR COUPLER

Info

Publication number
ATE139043T1
ATE139043T1 AT90903197T AT90903197T ATE139043T1 AT E139043 T1 ATE139043 T1 AT E139043T1 AT 90903197 T AT90903197 T AT 90903197T AT 90903197 T AT90903197 T AT 90903197T AT E139043 T1 ATE139043 T1 AT E139043T1
Authority
AT
Austria
Prior art keywords
pyrazoletriazole
color coupler
photographic color
coupler
pyrazolo
Prior art date
Application number
AT90903197T
Other languages
German (de)
Inventor
Brian Thomas
Llewellyn James Leyshon
David Clarke
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of ATE139043T1 publication Critical patent/ATE139043T1/en

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).
AT90903197T 1989-02-22 1990-02-14 USE OF PYRAZOLETRIAZOLE PHOTOGRAPHIC COLOR COUPLER ATE139043T1 (en)

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
ATE139043T1 true ATE139043T1 (en) 1996-06-15

Family

ID=10652100

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90903197T ATE139043T1 (en) 1989-02-22 1990-02-14 USE OF PYRAZOLETRIAZOLE PHOTOGRAPHIC COLOR COUPLER

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
EP0273712B1 (en) * 1986-12-27 1990-12-12 Konica Corporation Light-sensitive silver halide photographic 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
EP0460008A1 (en) 1991-12-11
JPH0354554A (en) 1991-03-08
GB8904004D0 (en) 1989-04-05
DE69027309D1 (en) 1996-07-11
WO1990010253A1 (en) 1990-09-07
EP0460008B1 (en) 1996-06-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties