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:
Jul. 10, 2018

Filed:

Nov. 20, 2014
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Nam Hyo Kim, Suwon-si, KR;

Kee Wook Kim, Suwon-si, KR;

Yang Seob Kim, Suwon-si, KR;

Hyo Sang Yun, Suwon-si, KR;

Yong Bae Lee, Suwon-si, KR;

Jung Min Lee, Suwon-si, KR;

Jung Yoon Lee, Suwon-si, KR;

Ji Hyun Chun, Suwon-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/052 (2010.01); C08J 7/04 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/1391 (2010.01); H01M 4/1393 (2010.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/0565 (2010.01); H01M 10/058 (2010.01); C09J 131/04 (2006.01); C09J 133/06 (2006.01); C09D 127/16 (2006.01); C08F 218/08 (2006.01); C09J 133/08 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); C08F 218/08 (2013.01); C08J 7/042 (2013.01); C09D 127/16 (2013.01); C09J 131/04 (2013.01); C09J 133/06 (2013.01); C09J 133/08 (2013.01); H01M 2/162 (2013.01); H01M 2/166 (2013.01); H01M 2/168 (2013.01); H01M 2/1653 (2013.01); H01M 2/1673 (2013.01); H01M 4/0404 (2013.01); H01M 4/0435 (2013.01); H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/1391 (2013.01); H01M 4/1393 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 4/622 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 10/0565 (2013.01); C08J 2323/06 (2013.01); C08J 2427/16 (2013.01); C08J 2433/10 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/30 (2013.01);
Abstract

The present invention relates to a separator comprising a porous substrate and an adhesive layer on one surface or both surfaces of the porous substrate, wherein the adhesive layer includes an acryl-based copolymer containing a (meth)acrylate-based monomer-derived repeating unit and having a weight average molecular weight of 400,000 g/mol to 750,000 g/mol; and to a secondary battery comprising the separator.


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