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. 29, 2016
Filed:
Jul. 19, 2013
Applicant:
Toyobo Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Masayuki Haruta, Tsuruga, JP;
Yukinobu Mukoyama, Tsuruga, JP;
Assignee:
Toyobo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); B29C 55/12 (2006.01); C08L 67/02 (2006.01); B29C 61/00 (2006.01); B29K 67/00 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); B29C 61/003 (2013.01); B29K 2067/00 (2013.01); C08J 2367/02 (2013.01); C08J 2467/02 (2013.01);
Abstract
The invention provides a heat-shrinkable polyester-based film containing ethylene terephthalate as a main constituent component and 0-5 mol % of a monomer component that can be an amorphous component based on all of the polyester resin components. The inventive film has a main shrinkage direction in the longitudinal direction, with heat shrinkage properties in the longitudinal direction and the width direction and a refractive index within specified ranges.