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:
Oct. 31, 1989
Filed:
Dec. 30, 1988
Applicant:
Inventors:
Manfred Peters, Leverkusen, DE;
Manfred Becker, Leverkusen, DE;
Kaspar Wingender, Leverkusen, DE;
Thomas Kaluschke, Leichlingen, DE;
Sieghart Klotzer, Cologne, DE;
Assignee:
AGFA-Gevaert Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430559 ; 430203 ; 430217 ; 430567 ; 430617 ; 430619 ;
Abstract
A heat developable color photographic recording material is improved in its D.sub.min /D.sub.max ratio and sensitivity if it contains a silver halide emulsion in which the grains have at least three zones differing in their silver halide composition.
Peters, Manfred. (1989). Color photographic recording material developable by heat (U.S. Patent No. 4877722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4877722
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile