Title:
弗化水素の回収方法
Document Type and Number:
Japanese Patent JP4222451
Kind Code:
B2
Abstract:
A process for separating and recovering hydrogen fluoride from a mixture with an organic compound especially a fluorine-containing compound by extraction with a solution of an alkali metal fluoride in hydrogen fluoride, phase separation and recovery. A process for producing a fluorine-containing organic compound by fluorinating a starting material with hydrogen fluoride and similarly recovering hydrogen fluoride from the product stream. The solution may be anhydrous or aqueous.
Inventors:
Ewing, Paul, Nicholas
Shields, Chyars, Jiyoung
Roberts, Christopher
Shields, Chyars, Jiyoung
Roberts, Christopher
Application Number:
JP51479897A
Publication Date:
February 12, 2009
Filing Date:
September 24, 1996
Export Citation:
Assignee:
Ineos Frauer Holding Limited
International Classes:
C01B7/19; C07C17/38; C07C19/08
Domestic Patent References:
| JP5306242A | ||||
| JP7500112A |
Attorney, Agent or Firm:
Kenji Yoshitake
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Takeshi Katata
Takeyasu Ito
Masaharu Takamura
Mari Asano
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Takeshi Katata
Takeyasu Ito
Masaharu Takamura
Mari Asano