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:
Jan. 19, 2016
Filed:
Jan. 17, 2014
Fujifilm Corporation, Minato-ku, Tokyo, JP;
Satoshi Sano, Ashigarakami-gun, JP;
Tomonori Ishino, Ashigarakami-gun, JP;
Ichirou Nagata, Ashigarakami-gun, JP;
Kentaro Shiratsuchi, Ashigarakami-gun, JP;
Shigehide Itou, Ashigarakami-gun, JP;
Kenichi Ishizuka, Ashigarakami-gun, JP;
Takeshi Umehara, Ashigarakami-gun, 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 over the gas-permeable supporting layer, in which the crosslinked polyimide resin has structure in which a polyimide compound is crosslinked through a specific crosslinking chain, the specific crosslinking chain has at least one kind of linking group selected from the group consisting of —NRC(═O)—, —NRC(═O)O—, —CHOCH—, —CHSCH—, —OC(═O)O—, —C(═O)ON(R)—, —SON(R)— and —PON(R)—, and R, R, R, Rand Reach independently represent a hydrogen atom or a substituent.