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. 05, 2011
Filed:
Dec. 02, 2009
Applicants:
Akimasa Ichikawa, Nagoya, JP;
Hisayoshi Nonaka, Nagoya, JP;
Toshihiro Tomita, Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/12 (2006.01); B01D 71/02 (2006.01); B01D 71/06 (2006.01); B01D 67/00 (2006.01); B01D 61/36 (2006.01); B01D 29/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
A separation membrane complex where a carbon membrane is formed directly on a porous body (surface layer) and an intermediate layer has a thickness of 10 to 100 μm can be used as a filter having improved flux and selectivity in comparison with a conventional one.