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:
Jul. 21, 2026
Filed:
Nov. 16, 2023
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd, Seoul, KR;
Dong Jae Kim, Daejeon, KR;
Hye Jin Kim, Daejeon, KR;
Min Sang Park, Daejeon, KR;
Sin Woo Kim, Daejeon, KR;
Yu Mi Choi, Daejeon, KR;
SK INNOVATION CO., LTD., Seoul, KR;
SK IE TECHNOLOGY CO., LTD, Seoul, KR;
Abstract
Provided is a composite separator for gas separation. According to an aspect of the present disclosure, a composite separator for gas separation includes a support and a selective layer disposed on one surface of the support, wherein the support includes a porous polyethylene film, and has a surface roughness of 100 nm or less, a surface median pore diameter of 300 nm or less, and a tensile strength in a machine direction (MD) and a transverse direction (TD) of 10 MPa or more.