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. 11, 1977
Filed:
Feb. 26, 1976
Applicant:
Inventor:
Harold R Edwards, Jr, Geneva, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08K / ; C07C / ;
U.S. Cl.
CPC ...
428431 ; 260 316 ; 260 / ; 260 / ; 260 / ; 428430 ; 428441 ; 428481 ; 428920 ; 260 54 ; 260 76 ; 260 / ;
Abstract
A reactive additive is disclosed to improve flexibility and toughness in polyester and vinyl aromatic polymeric compositions. The additive is formed as the reaction product of a polyfunctional acid or anhydride, a glycol, an unsaturated acid and a mono alcohol.
Edwards, Jr, Harold. (1977). Additives for improved polyester and vinyl polymer compositions (U.S. Patent No. 4053681). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4053681
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile