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. 11, 2025
Filed:
Jun. 19, 2020
Applicant:
Asahi Kasei Battery Separator Corporation, Tokyo, JP;
Inventors:
Masaki Katayama, Tokyo, JP;
Manabu Sekiguchi, Tokyo, JP;
Ryoma Kawaguchi, Tokyo, JP;
Masaaki Kanao, Tokyo, JP;
Assignee:
Asahi Kasei Battery Separator Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); C08J 9/28 (2006.01); H01M 50/411 (2021.01);
U.S. Cl.
CPC ...
C08J 9/28 (2013.01); C08J 2323/06 (2013.01);
Abstract
Provided is a polyolefin microporous membrane containing polyethylene, wherein the melting peak of nonrev. heat flow measured by a temperature-modulated DSC method at a temperature rise rate of 1° C./min of the polyolefin microporous membrane is within the range of 141.0° C. to 150.0° C.