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:
Oct. 10, 2017
Filed:
Feb. 09, 2015
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Takahiro Matsuo, Niihama, JP;
Satoshi Yoneyama, Niihama, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 35/02 (2006.01); B32B 37/02 (2006.01); B32B 38/04 (2006.01); B29C 65/50 (2006.01); H01M 2/14 (2006.01); B32B 37/12 (2006.01); B32B 39/00 (2006.01); H01M 2/16 (2006.01); B32B 38/00 (2006.01); B32B 38/10 (2006.01); B65H 18/14 (2006.01); B32B 38/18 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/145 (2013.01); B32B 37/1284 (2013.01); B32B 39/00 (2013.01); H01M 2/1653 (2013.01); H01M 2/1686 (2013.01); B29C 65/50 (2013.01); B32B 37/02 (2013.01); B32B 38/0004 (2013.01); B32B 38/10 (2013.01); B32B 38/185 (2013.01); B65H 18/145 (2013.01); B65H 35/02 (2013.01); H01M 2/166 (2013.01); H01M 10/0525 (2013.01); Y10T 156/1066 (2015.01); Y10T 156/1075 (2015.01); Y10T 156/1079 (2015.01); Y10T 156/1087 (2015.01);
Abstract
The present invention provides a long separator roll. A method according to the present invention for producing a battery separator roll includes a connecting step of connecting two or more separators (and) to each other along a lengthwise direction so that the battery separator roll is produced.