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:
Mar. 17, 1981
Filed:
Nov. 16, 1978
Applicant:
Inventors:
Gerhard Jager, Wuppertal, DE;
Anita von Konig, Krefeld, DE;
Armin Voigt, Cologne, DE;
Karl H Buchel, Wuppertal, DE;
Assignee:
AGFA-Gevaert, A.G., Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430372 ; 430551 ; 430607 ; 430614 ;
Abstract
Propyne compounds, which are capable of stabilizing photographic materials against color fog and flattening of the gradation are disclosed. They may be added to emulsion layers and to processing baths.
Jager, Gerhard. (1981). Photographic material containing a stabilizer (U.S. Patent No. 4256830). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4256830
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile