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:
Sep. 07, 1993
Filed:
Dec. 19, 1990
Applicant:
Inventors:
Joseph A Virgilio, Wayne, NJ (US);
Emanuel Heilweil, Fairfield, NJ (US);
Isaac D Cohen, Brooklyn, NY (US);
Assignee:
Givaudan Corporation, Clifton, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548198 ; 252589 ;
Abstract
Novel substituted heterocyclic formamidines are useful as ultraviolet light absorbers, the formamidines having the formula ##STR1## wherein: Ar represents a 2-thiazolyl, 2-pyridyl, 2-(4,6-dimethyl) pyrimidyl or a 4-(2-methyl)quinolyl group, and,