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:
Jan. 16, 2018
Applicant:
Kureha Corporation, Tokyo, JP;
Inventors:
Nobufumi Sato, Tokyo, JP;
Keiko Aita, Tokyo, JP;
Hisaaki Terashima, Tokyo, JP;
Kazuyuki Kanno, Tokyo, JP;
Yusuke Sato, Tokyo, JP;
Assignee:
KUREHA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); C08K 3/013 (2018.01); H01B 3/44 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08K 3/013 (2018.01); H01B 3/44 (2013.01); C08J 2327/16 (2013.01); C08K 2003/222 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/265 (2013.01);
Abstract
Provided is a vinylidene fluoride resin film that is produced using a film composition including at least a vinylidene fluoride resin and inorganic particles; and that includes a plurality of protrusions on at least one surface thereof. Among the plurality of protrusions, the number of protrusions greater than 0.10 μm in height from a flat surface at which the protrusions are not present is from 7.0 to 50 per 0.10 mmof the vinylidene fluoride resin film.