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:
Jan. 29, 1991
Filed:
Aug. 24, 1989
Nobutaka Ohki, Kanagawa, JP;
Hideaki Naruse, Kanagawa, JP;
Satoshi Nagaoka, Kanagawa, JP;
Kouichi Hanaki, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide color photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer containing a color coupler, at least one layer of the material containing a compound represented by formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents hydrogen, a halogen atom, a sulfo group, a carboxyl group, a cyano group, an alkyl group, an aryl group, an acylamino group, a sulfonamido group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an acyloxy group, a sulfonyl group, a carbamoyl group, an alkoxycarbonyl group or a sulfamoyl group; provided that R.sup.1 and R.sup.2, or R.sup.4 and R.sup.5 may each be linked to form a carbon ring or a heterocyclic ring; and Z represents a single bond or a divalent linking group. The silver halide color photographic material provides an image having an improved white background and gradation, and low minimum image density.