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. 30, 2020
Filed:
Jun. 16, 2014
Applicant:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Inventors:
Assignee:
SK Chemicals Co., Ltd., Seongnam, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); B29C 48/08 (2019.01); B29C 48/00 (2019.01); C08G 63/199 (2006.01); B29K 67/00 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); B29C 48/022 (2019.02); B29C 48/08 (2019.02); C08G 63/199 (2013.01); B29K 2067/04 (2013.01); B29L 2007/008 (2013.01); C08J 2367/02 (2013.01);
Abstract
A heat shrinkable film comprising a polyester based copolymer is provided. The heat shrinkable film according to an exemplary embodiment of the present invention includes a polyester based copolymer, wherein the polyester based copolymer includes: a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid; and a diol-derived residue including a residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4'-(hydroxymethyl)cyclohexane carboxylate represented by the following Chemical Formula 1 and a residue derived from 4,4-(oxybis(methylene)bis) cyclohexane methanol represented by the following Chemical Formula 2;