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:
Feb. 03, 2015
Filed:
Sep. 17, 2012
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Akimasa Ichikawa, Nagoya, JP;
Kenji Suzuki, Nagoya, JP;
Naoto Kinoshita, Nagoya, JP;
Yoshinori Isoda, Nagoya, JP;
Takafumi Kimata, Gamagori, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/36 (2006.01); B01D 67/00 (2006.01); B01D 71/02 (2006.01); C08G 8/08 (2006.01);
U.S. Cl.
CPC ...
B01D 67/0067 (2013.01); B01D 61/362 (2013.01); B01D 71/021 (2013.01); C08G 8/08 (2013.01); B01D 2323/12 (2013.01);
Abstract
A carbon membrane formed by carbonizing a phenol resin having at least one kind of atomic groups among a methylene bond, a dimethylene ether bond, and a methylol group, wherein the total mole content of the atomic groups is 100 to 180% with respect to the phenolic nuclei. A pervaporation separation method using the carbon membrane is also disclosed.