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:
Aug. 09, 1994
Filed:
Jul. 02, 1993
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430558 ; 430386 ; 430387 ;
Abstract
The improved silver halide color photographic material contains at least one pyrazolotriazole base magenta coupler represented by the following general formula [Ia] or [Ib]: ##STR1## This photographic material is improved in image keeping quality, especially in lightfastness, without lowering the efficiency of color formation and it also insures good color reproduction.