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.

Date of Patent:
Jan. 01, 2019

Filed:

Apr. 02, 2012
Applicant:

Moriaki Okuno, Miyagi, JP;

Inventor:

Moriaki Okuno, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/052 (2010.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/1646 (2013.01); H01M 2/1653 (2013.01); H01M 10/052 (2013.01); H01M 2/1613 (2013.01); H01M 10/0587 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract

A separator has: a substrate including a porous film; and a surface layer which is provided on at least one surface of the substrate, which includes a vinylidene fluoride-tetrafluoroethylene-hexafluoropropylene copolymer, and which has a plurality of minute pores.


Find Patent Forward Citations

Loading…