The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 1988
Filed:
Oct. 02, 1985
Fuji Photo Film Co., Ltd., , JP;
Abstract
A silver halide color photographic material having improved granularity and sharpness is disclosed which comprises at least one coupler represented by formula (Ia), (Ib), or (Ic). ##STR1## wherein A represents a coupler residue which can split away from the coupler by A--X bond cleavage upon reaction with an oxidation product of a developing agent; X represents an oxygen atom, or a sulfur atom; R.sub.1 and R.sub.2 each represents an aliphatic group, an aromatic group, or a heterocyclic group; Y represents a substituent group; and n represents 0, 1, or 2, and when n is 2, the two Y's represent the same or different substituent groups, or two of substituents R.sub.1, R.sub.2 and Y represent divalent groups that combine with each other to form a ring structure.