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:
Feb. 23, 2016
Filed:
Oct. 28, 2010
Applicants:
Tamito Igarashi, Tokyo, JP;
Hiroshi Sakabe, Tokyo, JP;
Emi Sugawara, Tokyo, JP;
Shintarou Mutou, Tokyo, JP;
Inventors:
Tamito Igarashi, Tokyo, JP;
Hiroshi Sakabe, Tokyo, JP;
Emi Sugawara, Tokyo, JP;
Shintarou Mutou, Tokyo, JP;
Assignee:
KUREHA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 6/14 (2006.01); H01M 6/04 (2006.01); C08K 5/3415 (2006.01); H01G 11/38 (2013.01); H01M 4/62 (2006.01); H01G 11/48 (2013.01);
U.S. Cl.
CPC ...
C08K 5/3415 (2013.01); H01G 11/38 (2013.01); H01G 11/48 (2013.01); H01M 4/62 (2013.01); H01M 4/621 (2013.01); Y02E 60/13 (2013.01); Y10T 428/2982 (2015.01);
Abstract
Provided is a vinylidene fluoride polymer powder exhibiting excellent solubility in aprotic polar solvents, and a vinylidene fluoride polymer solution obtained from the powder and an aprotic polar solvent. The vinylidene fluoride polymer powder has an NMP penetration rate of 12 to 100% as measured by an NMP penetration test.