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:
Mar. 16, 1993
Filed:
Nov. 04, 1991
Applicant:
Inventors:
John C Morris, Kingsport, TN (US);
Winston J Jackson, Jr, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528306 ; 528272 ; 528302 ; 528303 ; 528304 ;
Abstract
Melt processable copolyesters having improved thermal stability are prepared from 1,4-butanediol, minor amounts of trans-4,4'-stilbenedicarboxylic acid and a dicarboxylic acid selected from terephthalic acid, isophthalic acid, and mixtures thereof.