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:
Apr. 27, 2021
Filed:
Oct. 23, 2017
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Kohei Ideta, Okazaki, JP;
Mitsuru Sugihara, Otsu, JP;
Natsuko Chayama, Otsu, JP;
Takanobu Omori, Otsu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 50/411 (2021.01); C08K 3/013 (2018.01); C08L 23/02 (2006.01); C08L 77/00 (2006.01); C08L 79/08 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 50/411 (2021.01); C08K 3/013 (2018.01); C08L 23/02 (2013.01); C08L 77/00 (2013.01); C08L 79/08 (2013.01); H01M 10/0525 (2013.01);
Abstract
Provided is a nonaqueous electrolyte battery separator including a porous film (I) containing a polyolefin resin; and a porous layer (II) containing an inorganic filler, a water-soluble polymer having a structure represented by the following general formula (1), a water-insoluble polymer and a basic compound. The nonaqueous electrolyte battery separator is excellent in shape stability under a high temperature condition of 160 to 200° C.