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Patent Searching and Data


Title:
NOVEL PHOTOGRAPHIC COUPLER
Document Type and Number:
Japanese Patent JPH07219169
Kind Code:
A
Abstract:

PURPOSE: To ensure superior fastness to heat, moisture and light by using a compd. represented by a specified formula.

CONSTITUTION: A compd. represented by the formula is used. In the formula, each of R1-R3 is H or a substituent such as alkyl, aryl or anilino, R2 and R3 may bond to each other to form a ring and X is H or a group which can be released by a reaction with the oxidized body of a color developing agent. A magenta color image formed from the coupler is fast to heat, moisture and light and the coupler is useful for a color photographic sensitive material.


Inventors:
ISHII FUMIO
Application Number:
JP1061494A
Publication Date:
August 18, 1995
Filing Date:
February 01, 1994
Export Citation:
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Assignee:
KONISHIROKU PHOTO IND
International Classes:
G03C7/38; C07D487/04; C09B57/00; (IPC1-7): G03C7/38; C07D487/04; C09B57/00