Title:
テトラフルオロメタンの精製方法及びその用途
Document Type and Number:
Japanese Patent JP4471448
Kind Code:
B2
Abstract:
This method for purifying the tetrafluoromethane, characterized by bringing the tetrafluoromethane containing ethylene compounds, hydrocarbon compounds, carbon monoxide and/or carbon dioxide into contact with a zeolite having an average fine pore diameter of 3.4 Å to 11 Å and/or a carboneceous adsorbent having an average fine pore diameter of 3.4 Å to 11 Å.
Inventors:
Hiroki Ohno
Toshio Oi
Toshio Oi
Application Number:
JP2000128681A
Publication Date:
June 02, 2010
Filing Date:
April 28, 2000
Export Citation:
Assignee:
SHOWA DENKO K.K.
International Classes:
B01D53/02; C07C17/389; C07C17/007; C07C17/10; C07C17/38; C07C19/08; C09K13/00; C11D7/30; C11D7/50
Domestic Patent References:
| JP8081399A |
Attorney, Agent or Firm:
Takashi Ishida
Yoshio Yoshio
Tetsuji Koga
Nagasaka Tomoyasu
Satoshi Deno
Atsushi Aoki
Shinji Kakinuma
Yoshio Yoshio
Tetsuji Koga
Nagasaka Tomoyasu
Satoshi Deno
Atsushi Aoki
Shinji Kakinuma