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:
Nov. 05, 1991
Filed:
Apr. 03, 1990
Applicant:
Inventors:
Shuichi Sugita, Hino, JP;
Noboru Mizukura, Hino, JP;
Junichi Kohno, Hino, JP;
Kenzi Kadokura, Hino, JP;
Atsushi Tomotake, Hino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430551 ; 430558 ;
Abstract
A silver halide light-sensitive photographic material which is capable to form magenta dye image of substantially improved light-fastness and to form non-colored portion free from Y-stain is disclosed. The material comprises compounds represented by general formula M-I and II in the layers separately or together. ##STR1##