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. 28, 1980
Filed:
Mar. 01, 1979
Applicant:
Inventors:
Roy M Broughton, Jr, Auburn, AL (US);
Douglas D Callander, Akron, OH (US);
Brian W Pengilly, Akron, OH (US);
Joseph P Schirmer, Akron, OH (US);
Terence E Winters, Gates Mills, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528272 ; 528302 ; 528309 ; 528495 ; 528496 ; 528501 ;
Abstract
A process for reducing the glycol ether content in polyesters involves adding a glycol to a polyester oligomer solution prior to polymerization, distilling the oligomer solution to remove vapor containing the glycol as well as the glycol ether, and polymerizing the solution to produce a polyester containing a reduced glycol ether content.