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. 25, 2023
Filed:
Apr. 16, 2020
Applicant:
Nitto Denko Corporation, Osaka, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 7/022 (2019.01); B32B 27/18 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
B32B 7/022 (2019.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/302 (2013.01); B32B 27/32 (2013.01); B32B 2250/246 (2013.01); B32B 2250/40 (2013.01); B32B 2264/1022 (2020.08); B32B 2270/00 (2013.01); B32B 2307/51 (2013.01); B32B 2307/704 (2013.01); B32B 2307/732 (2013.01); B32B 2307/746 (2013.01); B32B 2555/02 (2013.01);
Abstract
Provided is a multilayer co-extruded film comprising at least two different elasticity layers with at least one first elasticity layer and at least one second elasticity layer having higher elasticity than the at least one first elasticity layer, wherein the first elasticity layer comprises a combination of an olefin-based elastomer and a crystalline olefin polymer, and wherein the residual strain after 100% elongation during 10 min at 23° C. of the multilayer co-extruded film is less than 15%.