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:
Oct. 03, 2017
Filed:
Oct. 16, 2013
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/16 (2006.01); B32B 27/36 (2006.01); B32B 15/09 (2006.01); B32B 27/08 (2006.01); B32B 7/02 (2006.01); B32B 3/30 (2006.01);
U.S. Cl.
CPC ...
C08G 63/16 (2013.01); B32B 3/30 (2013.01); B32B 7/02 (2013.01); B32B 15/09 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); Y10T 428/266 (2015.01); Y10T 428/269 (2015.01);
Abstract
A polyester film has a maximum surface height on a surface A side (SRmaxA) of 1500 nm to 7000 nm, a maximum surface height on a surface B side (SRmaxB) of 5 nm or more but less than 7000 nm, the SRmaxA and the SRmaxB satisfying the following relation (1), and a strength at break at 25° C. of 200 MPa to 330 MPa in both the longitudinal direction and the width direction.SRmaxA>SRmaxB  (1)