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Title:
METHOD FOR PREVENTING PHOTODISCOLORATION OF ORGANIC COLORING SUBSTANCE
Document Type and Number:
Japanese Patent JPS63163346
Kind Code:
A
Abstract:

PURPOSE: To improve the photodiscoloration preventing effect of the org. coloring substance, without making the hue and the purity of a color matter or a dye worse, by jointly using the org. coloring substance and a specific compd. to the color photographic material.

CONSTITUTION: The color photographic material contains jointly the org. coloring substance with at least one kind of the compd. shown by formula I where R1 is hydrogen atom, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, aryl, a heterocyclic ring, acyl, sulfonyl, phosphonyl, carbamoyl, sulfamoyl or oxycarbonyl group, R2 is a group capable substituting, (m) is 0 or an integer of 1W6. Thus, the excellent photodiscoloration preventing effect of the org. coloring substance, especially, the dye of the color photographic material against the discoloration caused by the light is obtd., and the color photographic image is maintained to stable for long period.


Inventors:
KANEKO YUTAKA
Application Number:
JP30999286A
Publication Date:
July 06, 1988
Filing Date:
December 25, 1986
Export Citation:
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Assignee:
KONISHIROKU PHOTO IND
International Classes:
C09B67/00; C07D279/08; C08K5/45; C08K5/46; C09K15/30; G03C1/06; G03C7/26; G03C7/392; (IPC1-7): C07D279/08; C08K5/46; C09B67/00; C09K15/30; G03C1/06; G03C7/26
Attorney, Agent or Firm:
Mikio Nakajima



 
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