Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1992-09-29
1993-11-16
Wright, Lee C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430384, 430385, G03C 738
Patent
active
052622932
ABSTRACT:
A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a silver halide emulsion layer containing a coupler represented by the following formula I or II; ##STR1## wherein R.sub.1 is a hydrogen atom or a group having a Hammet's .sigma.p value of 0 or more; X1 is a hydrogen atom or a substituent capable of splitting off upon reaction with the oxidation product of a color developing agent; Y.sub.1 is a hydrogen atom or a substituent; and Z.sub.1 is a group of non- metal atoms necessary for forming an aromatic six-member heterocyclic ring which may have a substituent, ##STR2## wherein R.sub.2 and Y.sub.2 are independently a hydrogen atom or a substituent; X.sub.2 is a hydrogen atom or a substituent capable of splitting off upon reaction with the oxidation product of a color developing agent; and Z.sub.2 is a group of non-metal atoms necessary for forming an aromatic five-member heterocyclic ring which may have a substituent.
REFERENCES:
patent: 4500630 (1985-02-01), Sato et al.
Ikesu Satoru
Kaneko Yutaka
Kita Hiroshi
Konica Corporation
Wright Lee C.
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