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:
Apr. 04, 1989
Filed:
Jul. 29, 1987
Keiji Ohbayashi, Hino, JP;
Mitsuhiro Okumura, Hino, JP;
Takaaki Kojima, Hino, JP;
Shigeo Tanaka, Hino, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
A silver halide color photographic material improved in sensitivity, gradiation and maximum density when the material is treated with a rapid processing. The silver halide color photographic material comprises a support and photograhic component layers including at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol % of silver chloride, (b) a gold compound in an amount of from 5.times.10.sup.-7 to 5.times.10.sup.-3 mol per mol of silver halide contained in said silver halide emulsion layer, (c) a sulfur sensitizer and (d) a spectral sensitizing dye represented by the following general formula [I]: ##STR1## wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group, respectively; R.sub.1 and R.sub.2 are an alkyl group, respective;y X.sup..crclbar. is a counter anion and n is 0 or 1.