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:
Jan. 26, 1982
Filed:
Jul. 10, 1980
Applicant:
Inventors:
Eugene S Barabas, Watchung, NJ (US);
Prakash Mallya, Bloomingdale, NJ (US);
Stanley J Gromelski, Jr, W. Caldwell, NJ (US);
Assignee:
GAF Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560194 ; 526313 ; 526316 ;
Abstract
This invention relates to copolymerizable ultraviolet light absorber monomers which are .alpha.,.beta.-unsaturated dicarboxylic half-esters of 2-hydroxy,alkoxy,methylolbenzophenone intermediate compounds. The monomers have the formula: ##STR1## where R is alkyl C.sub.1 -C.sub.8, and n is 1 or 2, and
Quick Actions:
Barabas, Eugene. (1982). Copolymerizable ultraviolet light absorber members which are .alpha.,.beta. (U.S. Patent No. 4312995). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4312995
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile