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:
Aug. 19, 2025
Filed:
Oct. 19, 2023
Applicant:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Inventors:
Assignee:
SK Chemicals CO., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/672 (2006.01); B29C 48/00 (2019.01); B32B 27/08 (2006.01); C08G 63/183 (2006.01); C08G 63/86 (2006.01); C08J 5/18 (2006.01); C08K 3/04 (2006.01); C08K 3/24 (2006.01); C08K 3/32 (2006.01); C08K 5/098 (2006.01); D01D 5/098 (2006.01); D01F 1/09 (2006.01); D01F 1/10 (2006.01); D01F 6/62 (2006.01);
U.S. Cl.
CPC ...
D01F 6/62 (2013.01); C08G 63/183 (2013.01); C08G 63/863 (2013.01); C08K 3/04 (2013.01); C08K 3/24 (2013.01); C08K 3/32 (2013.01); D01D 5/098 (2013.01); D01F 1/09 (2013.01); D01F 1/10 (2013.01); D01F 1/106 (2013.01); C08K 2003/329 (2013.01);
Abstract
The present invention relates to a polyester fiber, a preparation method thereof and a molded article prepared therefrom. The polyester fiber comprises a diol moiety derived from isosorbide in a specific amount and is formed into a polyester resin having a specific oligomer content, thereby providing a molded article having excellent saline water resistance, chemical resistance, light resistance and good knot strength, and capable of maintaining high transparency.