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:
Jun. 27, 2023
Filed:
Mar. 23, 2020
Korea Research Institute of Chemical Technology, Daejeon, KR;
Jeong Hoon Kim, Daejeon, KR;
Chang In Kong, Daejeon, KR;
Yang No Yun, Daejeon, KR;
Su Young Moon, Seongnam-si, KR;
Bong Jun Chang, Daejeon, KR;
Bo Ryoung Park, Daejeon, KR;
Youn-Sang Bae, Seoul, KR;
Tea-Hoon Kim, Seoul, KR;
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, Daejeon, KR;
Abstract
Provided are a methane-selective composite membrane comprising: a UiO-66 type organic-inorganic composite nanoporous material, a MIL-100 type organic-inorganic composite nanoporous material, or a ZIF-8 type organic-inorganic composite nanoporous material to which a methane-selective functional group is introduced for selectively separating methane from a gas mixture containing methane/nitrogen, a use thereof, and a method of preparing the same.