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. 14, 1976
Filed:
Nov. 25, 1974
Applicant:
Inventor:
Wendell R Conard, Kent, OH (US);
Assignee:
The Firestone Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 260862 ; 260873 ;
Abstract
This invention relates to the use of a resinous polybutadiene or butadiene-styrene copolymer of high 1,2-configuration in polyesters of unsaturated acids which may contain styrene or the like, to raise the heat distortion temperature of the polyesters and increase their resistance to hydrocarbon solvents and sodium hydroxide solution.