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:
Apr. 26, 2022
Filed:
Mar. 05, 2019
Applicants:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Seoul National University R&db Foundation, Seoul, KR;
Inventors:
Assignees:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Seoul National University R&DB Foundation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/78 (2006.01); C08G 63/183 (2006.01); C08G 63/199 (2006.01); C08L 67/02 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); C08G 63/199 (2013.01); C08G 63/78 (2013.01); C08L 67/02 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01);
Abstract
Provided are a polyester resin having a high residual rate of isosorbide, thereby exhibiting excellent heat resistance, excellent mechanical properties such as tensile strength, Young's modulus, etc., and excellent appearance properties and transparency, and a preparation method thereof.