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:
Jul. 08, 1980
Filed:
Dec. 06, 1978
Applicant:
Inventor:
Willem F Borman, Evansville, IN (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 528307 ; 528308 ; 528309 ; 525444 ; 525448 ;
Abstract
Novel thermoplastic copolyesters useful in fibers, films and molding resins are prepared by the transesterfication of (a) straight or branched chain poly(1,4-butylene terephthalates) and (b) a polyester of (i) a cycloaliphatic 1,2-dicarboxylic acid or a derivative thereof, etc., and (ii) 1,4-butanediol. Compositions comprising the new copolymers with high molecular weight poly(1,4-butylene terephthalates) and with reinforcing agents are also disclosed.
Borman, Willem. (1980). Copolyesters of polybutylene terephthalate (U.S. Patent No. 4211689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4211689
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile