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:
Jun. 13, 2017
Filed:
Apr. 14, 2016
SK Chemicals Co., Ltd., Gyeonggi-Do, KR;
Roy Lee, Seoul, KR;
Jong-Ryang Kim, Gyeonggi-do, KR;
Jae-Bong Lim, Gyeonggi-do, KR;
Won-Jae Yoon, Seoul, KR;
Dong-Jin Kim, Seoul, KR;
Kyu-Tae Park, Seoul, KR;
Yoo-Jin Lee, Seoul, KR;
SK CHEMICALS CO., LTD., Gyeonggi-Do, KR;
Abstract
A polyester resin copolymerized with isosorbide and 1,4-cyclohexane dimethanol and having an improved impact strength, and a method for preparing the same are disclosed. The copolymerized polyester resin has an alternating structure of acid moieties which are derived from acid components and diol moieties which are derived from diol components, wherein the acid components comprise terephthalic acid, and the diol components comprise (i) 5˜99 mol % of 1,4-cyclohexanedimethanol and (ii) 1˜60 mol % of isosorbide with respect to the total diol components.