Silver halide color photographic light-sensitive material contai

Details Silver halide color photographic light-sensitive material contai Silver halide color photographic light-sensitive material contai

1990-10-05

1991-12-10

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430387, G03C 738

Patent

active

050717391

ABSTRACT:
A silver halide color photographic light-sensitive material containing novel pyrazolotriazole type magenta couler is disclosed. The coupler is represented by the following Formula I: ##STR1## wherein R.sub.1 is a primary-alkyl, a secondary-alkyl group or a tertiary-alkyl group; R.sub.2 is an aralkyl group represented by the following Formula II; and X is a substituent capable of splitting off upon reaction with the oxidation product of a color developing agent; ##STR2## whrein R.sub.3, R.sub.4, R.sub.5 and R.sub.6, are each a hydrogen atom or an alkyl group, provided that at least one of R.sub.3 and R.sub.4 is an alkyl group when R.sub.1 is a primary alkyl group; R.sub.7 is a group having a --COOM group, in which M is a hydrogen atom or a cation; and l is 0 or 1. The light-sensitive material is excellent in color forming efficiency and color reproducibility.

REFERENCES:
patent: 3725067 (1973-04-01), Bailey et al.
patent: 3758309 (1973-09-01), Bailey et al.
patent: 3810761 (1974-05-01), Bailey
patent: 4791052 (1988-12-01), Kida et al.
patent: 4835094 (1989-05-01), Wolff et al.

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