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. 25, 1977
Filed:
Nov. 14, 1975
Applicant:
Inventor:
Arthur H Gerber, University Hts., OH (US);
Assignee:
Horizons Incorporated, a division of Horizons Research Incorporated, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08K / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260-23 ; 260 302 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 4575 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ;
Abstract
A process for upgrading polyesters derived from aromatic dicarboxylic acids which comprises reaction of the polyester material (both virgin and scrap) in an aprotic polar solvent with any of the following:
Gerber, Arthur. (1977). Upgraded aromatic polyester material in powder form (U.S. Patent No. 4055534). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4055534
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile