Silver halide color photographic photosensitive material

Details Silver halide color photographic photosensitive material Silver halide color photographic photosensitive material

1993-03-23

1998-11-17

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430543, 430957, G03C 7305

Patent

active

058374388

ABSTRACT:
A compound represented by the following general formula (I) is added to at least one layer of a silver halide photographic photosensitive material, thereby improving sharpness and graininess or decreasing a variation in photographic performance during storage after photography and before development: ##STR1## where A represents a coupler moiety, each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or a substituent, each of R.sup.3 and R.sup.4 independently represents a hydrogen atom or an alkyl group, INH represents a group having a development inhibiting function, and R.sup.5 represents a nonsubstituted phenyl group, a nonsubstituted primary alkyl group, or a primary alkyl group substituted with a group other than an aryl group, at least one of R.sup.1 to R.sup.4 being a substituent other than a hydrogen atom, and an --OC(.dbd.O)-- group combining with one of two nitrogen atoms forming a pyrazole ring.

REFERENCES:
patent: 4861701 (1989-08-01), Burns et al.
patent: 4962018 (1990-10-01), Szajewski et al.
patent: 5034311 (1991-07-01), Slusarek et al.
patent: 5055385 (1991-10-01), Slusarek et al.
patent: 5360709 (1994-11-01), Ohkawa et al.
World Patents Index Latest Week 8550, Derwent Publications Ltd., London, GB; AN 85-313735 Abstract.

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