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. 25, 1977
Filed:
Feb. 15, 1977
Applicant:
Inventors:
Peter Bergthaller, Cologne, DT;
Wolfgang Himmelmann, Leverkusen, DT;
Wolfgang Sauerteig, Leverkusen, DT;
Lothar Rosenhahn, Cologne, DT;
Assignee:
Agfa-Gevaert Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 67 ; 96111 ; 96 74 ; 96 77 ; 2601 / ; 260117 ; 106125 ; 427337 ; 427338 ; 427340 ; 526317 ;
Abstract
As quick-acting hardeners for layers which contain protein, in particular gelatin layers for photographic purposes carbamoyl oxypyridinium salts are used.
Bergthaller, Peter. (1977). Process of hardening a silver halide photographic material with a (U.S. Patent No. 4055427). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4055427
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile