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:
Jun. 10, 1986
Filed:
Aug. 30, 1984
Applicant:
Inventor:
Yoshihiro Arai, Joyo, JP;
Assignee:
Unitika Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525177 ; 525438 ;
Abstract
This invention is a method of manufacturing polyesters with excellent heat resistance and adhesiveness to rubber, characterized in that 0.2-5 weight percent epoxidized polybutadiene is reacted with a polyester composed of aromatic dicarboxylic acid and a glycol ingredient with a carbon number of 2-6, and the terminal carboxyl group quantity is made 15 grams equivalent per 10.sup.6 grams polymer or less.