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:
Apr. 20, 1976
Filed:
Jun. 24, 1974
Applicant:
Inventors:
Anita von Konig, Leverkusen, DT;
Helmut Kampfer, Cologne, DT;
Ernst Roos, Cologne, DT;
Kurt Ley, Leverkusen, DT;
Assignee:
AGFA-Gevaert, A.G., Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 95 ; 96 7 / ; 96 6 / ;
Abstract
A photographic material having a light-sensitive silver salt emulsion layer which layer contains a silver salt developer of the chroman series having the formula defined below.
von Konig, Anita. (1976). Light-sensitive material having developers embedded therein (U.S. Patent No. 3951664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3951664
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile