Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1993-02-12
1995-04-25
Wright, Lee C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430387, G03C 738
Patent
active
054098084
ABSTRACT:
Disclosed is a silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support and containing at least one coupler of formula (I): ##STR1## where R.sub.1 represents an alkyl group; R.sub.2 and R.sub.3 each represent a hydrogen atom, an alkyl group or an aryl group, provided that both R.sub.2 and R.sub.3 are not hydrogen atoms at the same time; R.sub.4 and R.sub.5 each represent an alkyl group; X represents a hydrogen atom or a substituent capable of splitting off by coupling with an oxidation product of a developing agent; Y represents a substituent; n represents 0 or 1; and m represents an integer of from 0 to 3. The material has excellent sensitivity and gradation and has improved storage stability, especially latent image stability.
Mizukawa Yuki
Naruse Hideaki
Sato Tadahisa
Watanabe Toshiyuki
Fuji Photo Film Co. , Ltd.
Wright Lee C.
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