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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.:

US 10770707 B1

PDFFull Text
Date of Patent:
Sep. 08, 2020

Filed:

Nov. 14, 2016

Battery separator and method of manufacturing same

Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Naoki Mizuno, Nasushiobara, JP;

Masami Sugata, Nasushiobara, JP;

Assignee:

Toray Industries, Inc., Tokyo, JP;

Attorney:

DLA Piper LLP (US)

Primary Examiner:

Jeremiah R Smith

Int. Cl.
CPC ...
H01M 2/16 (2006.01); B32B 5/32 (2006.01); C08J 9/28 (2006.01); B29C 55/00 (2006.01); B29C 55/14 (2006.01); C08J 9/36 (2006.01); B29D 7/01 (2006.01); C08J 5/18 (2006.01); C08J 7/04 (2020.01); H01M 2/14 (2006.01); H01M 10/0525 (2010.01); B29K 27/00 (2006.01); B29K 503/04 (2006.01); B29L 31/34 (2006.01); B29K 105/04 (2006.01); B01D 69/02 (2006.01); B01D 69/12 (2006.01); B01D 71/38 (2006.01); B01D 71/40 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); B29C 55/005 (2013.01); B29C 55/143 (2013.01); B29D 7/01 (2013.01); B32B 5/32 (2013.01); C08J 5/18 (2013.01); C08J 7/0427 (2020.01); C08J 9/28 (2013.01); C08J 9/365 (2013.01); H01M 2/145 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); H01M 10/0525 (2013.01); B01D 69/02 (2013.01); B01D 69/12 (2013.01); B01D 71/38 (2013.01); B01D 71/40 (2013.01); B01D 2325/00 (2013.01); B29K 2027/16 (2013.01); B29K 2105/041 (2013.01); B29K 2503/04 (2013.01); B29L 2031/3468 (2013.01); C08J 2201/03 (2013.01); C08J 2201/0502 (2013.01); C08J 2201/0543 (2013.01); C08J 2205/02 (2013.01); C08J 2323/06 (2013.01); C08J 2427/16 (2013.01); C08J 2427/20 (2013.01);
Abstract

A battery separator includes a polyolefin microporous membrane having a width of 100 mm or more, and a porous layer laminated on at least one surface of the polyolefin microporous membrane. The polyolefin microporous membrane has a variation range of an F25 value in a width direction of 1 MPa or less, and the F25 value indicates a value obtained by dividing a load value measured at 25% elongation of a specimen with use of a tensile tester by a cross-sectional area of the specimen. The porous layer contains a fluorine-based resin and an inorganic particle.

Find Patent Forward Citations

Mizuno, Naoki. (2020). Battery separator and method of manufacturing same (U.S. Patent No. 10770707). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10770707

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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