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:
Mar. 20, 2018
Filed:
Aug. 28, 2013
Applicant:
Toyobo Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Assignee:
Toyobo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/123 (2006.01); C08G 63/16 (2006.01); C08G 63/18 (2006.01); C08G 63/181 (2006.01); C08G 63/183 (2006.01); B32B 27/36 (2006.01); C08L 67/02 (2006.01); C08L 67/03 (2006.01); B29C 55/14 (2006.01); B29C 61/00 (2006.01); B29K 67/00 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); B29C 55/14 (2013.01); B29C 61/003 (2013.01); B29K 2067/003 (2013.01); B32B 27/36 (2013.01); C08G 63/123 (2013.01); C08G 63/16 (2013.01); C08G 63/18 (2013.01); C08G 63/181 (2013.01); C08L 67/02 (2013.01); C08L 67/03 (2013.01); Y10T 428/1328 (2015.01); Y10T 428/1331 (2015.01); Y10T 428/31786 (2015.04);
Abstract
The invention provides a heat-shrinkable polyester film with high mechanical strength in a width direction that is orthogonal to the main shrinking direction and high tensile rupture elongation in the film width direction after being subjected to an aging treatment in a high-temperature environment. The heat-shrinkable polyester film is made from a polyester resin containing ethylene terephthalate as the main component and a monomer component that can serve as an amorphous component in an amount of 0 mol % or more and less than 1 mol % relative to the total amount of polyester resin components.