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:
Mar. 03, 2015
Filed:
Jun. 15, 2011
Applicants:
Sun OK Kim, Seoul, KR;
Young Seuck Yoo, Seoul, KR;
Jin Wook NA, Gyunggi-do, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd, Gyunggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01);
U.S. Cl.
CPC ...
H01M 2/162 (2013.01); H01M 2/1686 (2013.01); H01M 2220/20 (2013.01);
Abstract
Disclosed herein is a fibrous separation membrane for secondary batteries, comprising: a polymer layer which partially melts and blocks pores thereof thus cutting off electric current when a temperature of a secondary battery is increased; and heat-resistant resin layers applied on both sides of the polymer layer.
Kim, Sun. (2015). Fibrous separation membrane for secondary battery and manufacturing method thereof (U.S. Patent No. 8968909). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8968909
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