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:
Aug. 25, 2015
Filed:
Oct. 05, 2011
Applicants:
Yoshihito Takagi, Shiga, JP;
Takatoshi Muta, Shiga, JP;
Tomoyuki Nemoto, Shiga, JP;
Inventors:
Assignee:
Mitsubishi Plastics, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); C08L 23/12 (2006.01); C08L 23/02 (2006.01); C08J 5/18 (2006.01); B32B 7/02 (2006.01); C08L 83/04 (2006.01); H01M 2/14 (2006.01);
U.S. Cl.
CPC ...
C08L 23/12 (2013.01); B32B 7/02 (2013.01); C08J 5/18 (2013.01); C08L 23/02 (2013.01); C08L 83/04 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); C08J 2323/02 (2013.01); H01M 2/145 (2013.01); Y10T 428/24942 (2015.01);
Abstract
The purpose is to provide a porous polyolefin resin film which has high gas permeability and a high porosity, and which can exhibit excellent properties including break down properties when used as a separator for a non-aqueous electrolyte secondary battery. The present invention relates to a porous polyolefin resin film which is produced from a resin composition (a) containing a polyolefin resin as the main component and additionally containing organic-inorganic hybrid particles (f).