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:
Feb. 11, 1997
Filed:
Apr. 18, 1996
Applicant:
Inventors:
Beate Weber, Leichlingen, DE;
Hans Langen, Bonn, DE;
Uwe Dahlhaus, Burscheid, DE;
Thomas H ubsch, Leverkusen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430551 ; 430554 ; 430555 ;
Abstract
A color photographic silver halide material with a support and at least one silver halide emulsion layer applied thereto which contains at least one 2-equivalent pyrazolone magenta coupler of the formula (I) ##STR1## with the substituents having the meanings stated in the specification and at least one amine which contains repeat units of the formulae (II) or (III) ##STR2## with the substituents having the meanings stated in the specification, is distinguished by reduced fogging and color spotting during storage.