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.

Date of Patent:
Sep. 04, 2012

Filed:

Dec. 10, 2009
Applicants:

Akimasa Ichikawa, Nagoya, JP;

Shogo Takeno, Nagoya, JP;

Tetsuya Uchikawa, Nagoya, JP;

Tetsuya Sakai, Toki, JP;

Hideyuki Suzuki, Kasugai, JP;

Inventors:

Akimasa Ichikawa, Nagoya, JP;

Shogo Takeno, Nagoya, JP;

Tetsuya Uchikawa, Nagoya, JP;

Tetsuya Sakai, Toki, JP;

Hideyuki Suzuki, Kasugai, JP;

Assignee:

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A porous carbon membrane has as a loaded component water, alcohol, ether, or ketone loaded on a surface or in a pore, or on the surface and in the pore thereof. The carbon membrane has the loaded component preferably having a molecular weight of 100 or less. The carbon membrane has the loaded component preferably being linear alcohol or linear ether. The carbon membrane has the loaded component preferably being at least one selected from methanol, ethanol, n-propanol, and n-butanol. There is provided a carbon membrane having high separation performance and little change in the separation performance with the passage of time.


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