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. 05, 1991
Filed:
Aug. 04, 1989
Applicant:
Inventors:
Franz Moll, Leverkusen, DE;
Bruno Mucke, Bergisch Gladbach, DE;
Walter Patzold, Leverkusen, DE;
Klaus Wagner, Leverkusen, DE;
Assignee:
Agfa-Gevaert Aktiengessellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430640 ; 430545 ; 430599 ; 430603 ; 430605 ; 430607 ; 430642 ;
Abstract
The sensitivity/fog ratio can be improved by using photographic silver halide emulsions containing gelatine which has a cysteine content of less than 10 ppm and a gold number of .gtoreq.23 .mu.mol/g.