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. 16, 2015
Filed:
Apr. 23, 2013
Applicant:
Central Glass Company, Limited, Ube-shi, Yamaguchi, JP;
Inventors:
Assignee:
Central Glass Company, Limited, Ube-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/64 (2006.01); B01D 53/22 (2006.01); C08L 79/08 (2006.01); C08G 73/10 (2006.01); B01D 67/00 (2006.01); B01D 71/82 (2006.01);
U.S. Cl.
CPC ...
B01D 71/64 (2013.01); C08G 73/1071 (2013.01); C08L 79/08 (2013.01); B01D 53/228 (2013.01); B01D 67/0093 (2013.01); B01D 71/82 (2013.01); B01D 2325/022 (2013.01);
Abstract
A gas separation membrane having a polyimide structure. The polyimide structure is provided to contain a repeating unit represented by general formula (1):