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. 22, 1986
Filed:
Jan. 30, 1985
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having a photographic layer containing at least one 2-equivalent 5-pyrazolone type magenta coupler represented by the general formula (I) described below and an amount of a calcium atom contained in the color photographic light-sensitive material being up to 10 mg/m.sup.2. ##STR1## wherein W represents an aryl group; X represents an aliphatic group, an aryl group or a heterocyclic group; and Y represents an acylamino group, a ureido group or an anilino group. The silver halide color photographic light-sensitive material containing the 2-equivalent 5-pyrazolone magenta coupler and the restricted amount of the calcium atom exhibits photographic properties which are not influenced by variations in the pH of the color developing bath and can provide color images fast to light and heat.