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:
Jul. 08, 2025
Filed:
May. 07, 2021
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/36 (2006.01); B29B 17/00 (2006.01); B32B 7/02 (2019.01); B32B 7/06 (2019.01); B32B 18/00 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/30 (2006.01); B32B 37/26 (2006.01); C04B 35/468 (2006.01); C04B 35/622 (2006.01);
U.S. Cl.
CPC ...
B32B 27/36 (2013.01); B32B 7/02 (2013.01); B32B 7/06 (2013.01); B32B 18/00 (2013.01); B32B 27/283 (2013.01); B29B 17/00 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 2037/268 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/538 (2013.01); B32B 2329/04 (2013.01); B32B 2367/00 (2013.01); B32B 2383/00 (2013.01); B32B 2457/16 (2013.01); C04B 35/468 (2013.01); C04B 35/622 (2013.01); Y02W 30/62 (2015.05); Y10T 428/31786 (2015.04); Y10T 428/31797 (2015.04);
Abstract
A multilayered polyester film which comprises a polyester film and, disposed on at least one surface thereof, a layer X which has a contact angel HX(1) with water of 0-60°, wherein the layer X has a degree of crystallinity C(0) of 0-30%. HX(1): Contact angle at one second after water has come into contact with layer X. A polyester film having excellent recoverability is provided by disposing a layer X on at least one surface of a polyester film, the layer X having a regulated contact angle with water and a regulated degree of crystallinity.