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. 31, 1989
Filed:
Jan. 13, 1988
Applicant:
Inventors:
Adrian Cassola, Sarnia, CA;
John C Kwok, Sarnia, CA;
Keith J Robinson, Sarnia, CA;
Brian H Smith, Sarnia, CA;
Michel Longuet, Strasbourg, FR;
Assignee:
Polysar Limited, Sarnia, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 64 ; 523522 ; 525169 ;
Abstract
This invention relates to unsaturated polyester compositions having improved impact resistance and good surface appearance. The compositions contain a novel additive. The novel additive comprises the partially polymerized product of a mixture comprising an elastomer and a styrenic monomer.