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:
Sep. 03, 2024
Filed:
Sep. 14, 2021
Applicant:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Inventors:
Da-Young Hwang, Gyeonggi-do, KR;
Kwang-Woo Park, Gyeonggi-do, KR;
Yoo Jin Lee, Gyeonggi-do, KR;
Jong-In Lee, Gyeonggi-do, KR;
Assignee:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/78 (2006.01); C07C 67/56 (2006.01); C08G 63/672 (2006.01);
U.S. Cl.
CPC ...
C08G 63/672 (2013.01); C07C 67/56 (2013.01); C08G 63/78 (2013.01);
Abstract
The present disclosure relates to a method for purifying bis-2-hydroxyethyl terephthalate with high purity and a polyester resin containing the same.