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:
Dec. 02, 2014
Filed:
May. 21, 2010
Applicants:
Hiroshi Murata, Tokyo, JP;
Hidenori Iwasawa, Tokyo, JP;
Daisuke Inagaki, Tokyo, JP;
Masaki Ishikawa, Tokyo, JP;
Inventors:
Hiroshi Murata, Tokyo, JP;
Hidenori Iwasawa, Tokyo, JP;
Daisuke Inagaki, Tokyo, JP;
Masaki Ishikawa, Tokyo, JP;
Assignee:
Asahi Kasei E-materials Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); B32B 27/32 (2006.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); H01M 2/1686 (2013.01); Y02E 60/12 (2013.01); H01M 10/4235 (2013.01); H01M 2/166 (2013.01);
Abstract
A multilayer porous film, comprising a porous layer including inorganic particles and a resin binder on at least one surface of a porous film containing a polyolefin resin as a main component, wherein the inorganic particles contain an aluminum silicate compound as a main component.