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. 10, 1999
Filed:
Apr. 29, 1996
Applicant:
Inventors:
Jorg Hagemann, Hahnenweg 1, DE;
Gunter Helling, In der Hildscheild 16, DE;
Assignee:
Agfa-Gevaert AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430505 ; 430551 ; 430552 ; 430553 ; 430556 ; 430557 ; 430607 ; 430613 ; 430631 ; 430489 ; 430415 ; 430448 ;
Abstract
A colour photographic silver halide material with a support, at last one silver halide emulsion layer containing at least one yellow coupler and at least one silver halide emulsion layer containing a cyan coupler applied thereon, in which material the silver halide emulsion layer, of which there is at least one, containing at least one yellow coupler and/or the silver halide emulsion layer, of which there is at least one, containing at least one cyan coupler contains a compound of the formula (I) ##STR1## in which R.sub.1, R.sub.2, R.sub.3 mean alkyl, alkenyl or acyl and