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:
Oct. 15, 1991
Filed:
Jan. 12, 1989
Kokichi Waki, Kanagawa, JP;
Tsumoru Hirano, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide color photographic material is disclosed having blue-sensitive, green-sensitive, and red-sensitive silver halide emulsion layers on a support, wherein said red-sensitive silver halide emulsion layer contains a dispersion of fine oleophilic grains formed by dispersing by emulsification a mixture comprising a water-insoluble and organic solvent-soluble homopolymer or copolymer and at least one coupler represented by formula (I) or formula (II), and the silver halide emulsion layer or non-light-sensitive layer of the material contains a dye represented by formula (III); wherein formula (I) is represented by ##STR1## wherein R.sub.11 represents an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; R.sub.12 represents an acylamino group or an alkyl group; R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, or R.sub.12 and R.sub.13 are bonded together to form a nitrogen-containing heterocyclic ring; Z.sub.11 represents a hydrogen atom, an alkyl group, an aryloxy group, an alkylthio group or an arylthio group; formula (II) is represented by ##STR2## wherein R.sub.21 and R.sub.22 each represents a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group, provided that at least one of R.sub.21 and R.sub.22 is a substituent other than a hydrogen atom; R.sub.23 represents a hydrogen atom, a carbamoyl group, a sulfamyl group, an alkoxycarbonyl group or an aryloxycrbonyl group; Z.sub.21 represents a hydrogen atom, an alkoxy group, an aryloxy group, an alkylthio group or an arylthio group; X represents --CO-- or --SO.sub.2 --; and formula (III) is represented by ##STR3## wherein R.sub.1 and R.sub.2 each represents --COOR.sub.5 or ##STR4## R.sub.3 and R.sub.4 each represents a hydrogen atom or an alkyl group; R.sub.5 and R.sub.6 each represents a hydrogen atom, an alkyl group or an aryl group; Q.sub.1 and Q.sub.2 each represents an aryl group; X.sub.1 and X.sub.2 each represents a divalent linking group; Y.sub.1 and Y.sub.2 each represents a sulfo group or a carboxyl group; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; m.sub.1 and m.sub.2 each represents 1 or 2; n represents 0, 1 or 2; P.sub.1 and P.sub.2 each represents 0, 1, 2, 3 or 4; and s.sub.1 and s.sub.2 each represents 1 or 2. The material forms a color image with less stain, which is stable for a long period of time; it contains a novel dye which may easily be discolored or dissolved out by photographic processing without having any bad influence on the photographic characteristics of the material; and it is excellent in the time-dependent storability.