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. 02, 2019
Filed:
Oct. 11, 2017
Applicant:
Far Eastern New Century Corporation, Taipei, TW;
Inventors:
Assignee:
FAR EASTERN NEW CENTURY CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/26 (2006.01); C07C 67/54 (2006.01); C07C 69/82 (2006.01); C07C 67/035 (2006.01);
U.S. Cl.
CPC ...
C07C 67/26 (2013.01); C07C 67/035 (2013.01); C07C 67/54 (2013.01); C07C 69/82 (2013.01);
Abstract
A process for preparing bis(2-hydroxyethyl) terephthalate, comprising a step of: subjecting ethylene oxide and terephthalic acid in a molar ratio of from 2:1 to 3:1 to a reaction at an elevated temperature in the presence of a solvent mixture containing water and a C-Chydrocarbon in a weight ratio of from 1:1 to 3:1.
Hwang, Der-Ren. (2019). Process for preparing bis(2-hydroxyethyl) terephthalate (U.S. Patent No. 10336680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10336680
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile