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:
Dec. 04, 2012
Filed:
May. 24, 2007
Young-keun Lee, Daejeon, KR;
Jang-weon Rhee, Daejeon, KR;
Jung-moon Sung, Seoul, KR;
Byoung-cheon JO, Daejeon, KR;
Chol-ho Lee, Daejeon, KR;
Gwi-gwon Kang, Daejeon, KR;
In-hwa Jung, Cheonan, KR;
Je-an Lee, Daejeon, KR;
Young-Keun Lee, Daejeon, KR;
Jang-Weon Rhee, Daejeon, KR;
Jung-Moon Sung, Seoul, KR;
Byoung-Cheon Jo, Daejeon, KR;
Chol-Ho Lee, Daejeon, KR;
Gwi-Gwon Kang, Daejeon, KR;
In-Hwa Jung, Cheonan, KR;
Je-An Lee, Daejeon, KR;
SK Innovation Co., Ltd., , KR;
Abstract
Disclosed in the present invention are a microporous polyethylene film and a method of manufacture thereof. The polyethylene microporous film manufactured according to the present invention may contribute to an increased productivity of stable products as its extrusion and stretching may be done readily. And thus manufactured product may be used for battery separators and various filters owing to its high gas permeability, superior puncture strength, and small ratio of shrinkage.