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. 28, 1992
Filed:
Dec. 11, 1990
Yoko Idogaki, Minami-ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
There is disclosed a silver halide color photographic material having at least one silver halide emulsion layer on a base, which comprises in the silver halide emulsion layer a magenta coupler represented by formula (I), which has been dispersed by using a chlorinated paraffin having 8 or more carbon atoms. The disclosure as described provides a color photographic material being excellent in color reproduction and having improved light-fastness of the magenta color image from the high density part to the low density part, even when the color photographic material is processed by the color developer contaminated by a small amount of bleaching solution formula (I): ##STR1## wherein Za and Zb each represent .dbd.CH--, ##STR2## or .dbd.N--, R.sub.1 represents a hydrogen atom or a substituent, R.sub.2 represents a substituent, X represents a hydrogen atom or a group or an atom capable of being released, and