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:
May. 05, 2009
Filed:
Jun. 02, 2004
Yoshinori Tajima, Tokyo, JP;
Takashi Futatsuki, Koto-ku, JP;
Tetsuya Abe, Ibaraki, JP;
Sadamitsu Tanzawa, Ibaraki, JP;
Seiji Hiroki, Ibaraki, JP;
Yoshinori Tajima, Tokyo, JP;
Takashi Futatsuki, Koto-ku, JP;
Tetsuya Abe, Ibaraki, JP;
Sadamitsu Tanzawa, Ibaraki, JP;
Seiji Hiroki, Ibaraki, JP;
Organo Corporation, Tokyo, JP;
Abstract
A unit for separating an exhaust gas containing PFC gases including CFand CFgenerated in a production process, wherein the exhaust gas is concentrated in a concentration device, and then separated chromatographically in a chromatographic separation device using nitrogen as a carrier gas. The chromatographic separation device is packed with molecular sieve 13X or F-9 or the like. The unit is capable of effectively separating CFand CF.