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Patent Searching and Data


Title:
PHOTOGRAPHIC MATERIAL CONTAINING MAGENTA DYE FORMING COUPLER
Document Type and Number:
Japanese Patent JPH04333047
Kind Code:
A
Abstract:

PURPOSE: To ensure satisfactory reactivity and to prevent excessive suppression of silver development by incorporating a magenta dye forming polymer coupler derived from a specified monomer into a silver halide emulsion layer.

CONSTITUTION: This photographic material has a substrate carrying at least one silver halide emulsion layer combined with a magenta dye forming polymer coupler derived from a monomer represented by the formula, wherein R1 is H or a substituent, X is H or a group releasable by coupling reaction with an oxidized arom. prim. amine developing agent, Z is a group of atoms required to complete a hetero ring, L is a divalent combining group, A is -CONH-, -COO-, etc., or phenylene, D is -O-, -NR"-, etc., R is an aliphatic or arom. substituent, R' is H, lower alkyl, etc., and R" is alkyl, aryl, etc. The polymer coupler has satisfactory reactivity and is less liable to suppress silver development.


Inventors:
TEIENTE CHIEN
SUTANREI REI KOUAN
EDOWAADO SHIYOFUIIRUDO
PIN WAA TAN
Application Number:
JP33916991A
Publication Date:
November 20, 1992
Filing Date:
December 21, 1991
Export Citation:
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Assignee:
EASTMAN KODAK CO
International Classes:
C08F16/14; C08F18/02; C08F18/22; C08F20/34; C08F20/36; C08F20/52; C08F20/56; C08F26/00; C08F26/02; C09D129/00; C09D129/10; C09D131/02; C09D133/04; C08F16/28; C09D133/06; C09D133/26; C09D137/00; C09D139/00; G03C7/327; G03C7/38; (IPC1-7): C08F16/28; C08F18/22; C08F20/36; C08F20/56; C08F26/02; C09D129/10; C09D131/02; C09D133/06; C09D133/26; C09D139/00; G03C7/327; G03C7/38
Attorney, Agent or Firm:
Aoki Akira (3 outside)