发明授权
US5380638A Cyan dye-forming coupler and a silver halide color photographic material containing the same 失效
青色染料成色剂和含有它们的卤化银彩色感光材料

Cyan dye-forming coupler and a silver halide color photographic material
containing the same
摘要:
There is disclosed a cyan dye-forming coupler represented by the following formula (I) and a silver halide color photographic material containing the same: formula (I) ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an aryl group having 6 to 20 carbon atoms, Y represents a group capable of substitution onto a benzene ring, Z represents a group capable of substitution onto a naphthalene ring, X represents a hydrogen atom or a coupling-off group, m is an integer of 0 to 4, and n is an integer of 0 to 4.
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