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. 30, 1991
Filed:
Apr. 11, 1989
Applicant:
Inventors:
Isaac D Cohen, Brooklyn, NY (US);
Joseph A Virgilio, Wayne, NJ (US);
Assignee:
Givaudan Corporation, Clifton, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
252589 ; 560 35 ; 558422 ; 562440 ; 564157 ; 564166 ; 564167 ; 564245 ; 564247 ;
Abstract
Substituted benzamidines and their hydrochloride salts are useful as ultraviolet light absorbers, the benzamidines having the formula ##STR1## wherein: A.sup.1 and A.sup.2 may be the same or different and represent --COOR.sup.1, --CONR.sup.1 R.sup.2, --C.tbd.N or --C.sub.6 H.sub.5 ;
Cohen, Isaac. (1991). N,n'-diarylbenzamidines useful as ultraviolet light absorbers (U.S. Patent No. 5011628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5011628
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile