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US 5,672,722 AGranted
Color fade inhibitor
AssigneeFuji Photo Film Co., Ltd.
InventorsNobuo Seto, Yasuhiro Yoshioka, Masakazu Morigaki
Life of this patent
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Abstract
A silver halide color photographic material comprising a support having thereon at least one layer containing at least one compound represented by formula (A) ##STR1## wherein the definition of R.sub.a1, R.sub.a2, R.sub.a3, Z, Y, m and n is described in the specification.
Claims6
A compound represented by formula (A) ##STR46## wherein R.sub.a1 represents a hydrogen atom or an alkyl group having 1 to 40 carbon atoms;
- R.sub.a2 represents an aliphatic group having 1 to 16 carbon;
- R.sub.a3 represents an aliphatic group having 1 to 16 carbon atoms;
- Y represent non-metallic atomic group necessary for completing a coumaran or chroman ring, an oxygen atom, a sulfur atom, or --C(R.sub.a4)(R.sub.a5)--, wherein R.sub.a4 and R.sub.a5, which may be the same or different, each represents a hydrogen atom or an aliphatic group having 1 to 16 carbon atoms;
- m represents an integer of from 0 to 4;
- n represents an integer of from 0 to 3;
- when m is 2 or more, plural R.sub.a2 's may be the same or different;
- and when n is 2 or more, plural R.sub.a3 's may be the same or different.
4 more elements
Dependencies are inferred from the claim text.