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:
Jan. 02, 2018
Filed:
Sep. 29, 2016
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Akihiko Shin, Daegu, KR;
Rikuri Uejima, Niihama, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23C 28/00 (2006.01); H01M 2/14 (2006.01); B32B 27/00 (2006.01); C08J 5/22 (2006.01); H01M 10/0525 (2010.01); H01M 2/16 (2006.01);
U.S. Cl.
CPC ...
H01M 2/145 (2013.01); B32B 27/00 (2013.01); C08J 5/22 (2013.01); C23C 28/00 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); H01M 2/1686 (2013.01); H01M 10/0525 (2013.01);
Abstract
A film production method includes the steps of: (i) passing a heat-resistant separator above rollers located above a washing tank; (ii) lowering another roller into water through a space between the rollers; and (iii) moving at least one of the rollers and the another roller so as to increase a surface area by which the heat-resistant separator is in contact with the another roller. The method resolves a problem that occurs to a film which is being washed.