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:
Dec. 06, 2016

Filed:

Dec. 22, 2011
Applicants:

Keisuke Watanabe, Tokyo, JP;

Yuuki Sakai, Tokyo, JP;

Emi Sugawara, Tokyo, JP;

Shintarou Mutou, Tokyo, JP;

Tamito Igarashi, Tokyo, JP;

Inventors:

Keisuke Watanabe, Tokyo, JP;

Yuuki Sakai, Tokyo, JP;

Emi Sugawara, Tokyo, JP;

Shintarou Mutou, Tokyo, JP;

Tamito Igarashi, Tokyo, JP;

Assignee:

KUREHA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 214/22 (2006.01); H01M 10/052 (2010.01); C09D 127/16 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
C08F 214/225 (2013.01); C09D 127/16 (2013.01); H01M 4/623 (2013.01); H01M 10/052 (2013.01); H01M 2220/20 (2013.01); Y02T 10/7011 (2013.01);
Abstract

Provided are vinylidene fluoride copolymers exhibiting higher adhesion with respect to metal foils than do conventional vinylidene fluoride copolymers, and to provide uses of the vinylidene fluoride copolymers. The vinylidene fluoride copolymers are obtained by copolymerizing vinylidene fluoride with a compound represented by Formula (A). In Formula (A), R, Rand Rare each independently a hydrogen atom, a chlorine atom or an alkyl group; and X is an atomic group with a molecular weight of not more than 500 containing a heteroatom and having a main chain composed of 1 to 20 atoms, or is a heteroatom.


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