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, 2017
Filed:
Jun. 04, 2015
Fujifilm Corporation, Minato-ku, Tokyo, JP;
Keisuke Kodama, Kanagawa, JP;
Ichiro Nagata, Kanagawa, JP;
Takeshi Narita, Kanagawa, JP;
Satoshi Sano, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A gas separation composite membrane, containing a gas permeable supporting layer, and a gas separating layer containing a crosslinked polyimide resin above the gas permeable supporting layer, in which the crosslinked polyimide resin has a structure in which 2 to 4 molecules of a polyimide compound is coordinated with a divalent to tetravalent central metal via an oxygen atom or a sulfur atom, and when the crosslinked polyimide resin has plural central metals, the plural central metals are linked via the polyimide chain of the polyimide compound; and a gas separating module, a gas separation apparatus and a gas separation method utilizing this gas separation composite membrane.