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.

Date of Patent:
Apr. 30, 2002

Filed:

Feb. 26, 2001
Applicant:
Inventors:

Jörg Hagemann, Köln, DE;

Günter Helling, Odenthal, DE;

Heinz Wiesen, Euskirchen, DE;

Ralf Wirowski, Köln, DE;

Ralf Büscher, Lohmar, DE;

Assignee:

Agfa-Gevaert, , BE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G63C 1/08 ; G03C 7/26 ; G03C 7/32 ;
U.S. Cl.
CPC ...
G63C 1/08 ; G03C 7/26 ; G03C 7/32 ;
Abstract

A color photographic recording material having at least one spectrally sensitized silver halide emulsion layer, characterized in that said silver halide emulsion layer contains an oil former having a pKa value of less than 18 and a DIR coupler and the material contains at least one color coupler, wherein the color coupler and/or the DIR coupler have specific structures, is distinguished by an increased interimage effect in comparison with the prior art without sensitivity being reduced.


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