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:
Jul. 11, 2000
Filed:
Nov. 03, 1998
Applicant:
Inventors:
Peter Bell, Koln, DE;
Ralf Buscher, Lohmar, DE;
Lothar Endres, Bergisch Gladbach, DE;
Lothar Rosenhahn, Koln, DE;
Rainer Scheerer, Koln, DE;
Lydia Simon, Wulfrath, DE;
Thomas Stetzer, Langenfeld, DE;
Assignee:
Asfa-Gevaert N.V., , BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430546 ; 430505 ; 430506 ; 430543 ; 430531 ; 430533 ; 430534 ; 430535 ; 430536 ; 430537 ;
Abstract
A colour photographic material in which a package of layers is provided which consists, in the stated sequence, of (a) a silver halide-free layer containing colour coupler, (b) a layer containing silver halide and (c) a silver halide-free layer containing colour coupler, wherein at least one of layers (a) and (c) consists to an extent of at least 20 vol. % of a synthetic polymer, is distinguished by an improved grain/sensitivity ratio.