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:
Feb. 19, 2008
Filed:
Mar. 04, 2004
Alan Wayne White, Kingsport, TN (US);
Michael Paul Ekart, Kingsport, TN (US);
Larry Cates Windes, Kingsport, TN (US);
Richard Gill Bonner, Kingsport, TN (US);
Alan George Wonders, Kingsport, TN (US);
Alan Wayne White, Kingsport, TN (US);
Michael Paul Ekart, Kingsport, TN (US);
Larry Cates Windes, Kingsport, TN (US);
Richard Gill Bonner, Kingsport, TN (US);
Alan George Wonders, Kingsport, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
A process to produce polyester product from alkylene oxide and carboxylic acid. More specifically this process relates to a process to produce polyethylene terephthalate where terephthalic acid and ethylene oxide are reacted to form a partially esterified terephthalic acid product and then the partially esterified product is further reacted with ethylene glycol to produce polyethylene terephthalate.