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. 16, 2019
Filed:
Oct. 27, 2017
Applicant:
Far Eastern New Century Corporation, Taipei, TW;
Inventors:
Assignee:
Far Eastern New Century Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/86 (2006.01); C08G 63/183 (2006.01);
U.S. Cl.
CPC ...
C08G 63/866 (2013.01); C08G 63/183 (2013.01);
Abstract
A process for reducing diethylene glycol formation in polyethylene terephthalate includes (a) subjecting a mixture of bis(2-hydroxyethyl)terephthalate with aromatic polycarboxylic acid to an esterification reaction, and (b) subjecting the esterification reaction product to polycondensation.