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:
Dec. 20, 1977
Filed:
Aug. 12, 1975
Applicant:
Inventors:
Wolfgang Himmelmann, Opladen, DT;
Johannes Sobek, Leverkusen, DT;
Wolfgang Sauerteig, Leverkusen, DT;
Assignee:
AGFA-Gevaert Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96111 ; 96 67 ; 96 77 ; 96 5 / ; 2601 / ; 260117 ; 427338 ; 106125 ;
Abstract
In a process for hardening photographic protein containing layers as quick acting hardener a carbamoyl pyridinium compound is used the pyridine ring of which carries a sulfoalkyl substituent.
Himmelmann, Wolfgang. (1977). Process for hardening silver halide containing photographic layers with (U.S. Patent No. 4063952). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4063952
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile