Title:
METHOD FOR PURIFYING AQUEOUS SOLUTION OF AMIDE COMPOUND AND METHOD FOR PRODUCING THE AMIDE COMPOUND
Document Type and Number:
Japanese Patent JP2004298155
Kind Code:
A
Abstract:
To provide a method for purifying an aqueous solution of an amide compound capable of obtaining the aqueous solution of the amide compound containing less impurity and having less foaming property, and a method for producing the amide compound.
The method for purifying the amide compound is provided by filtering the aqueous solution containing the amide compound obtained by effecting a living body catalyst to a nitrile compound by using an ultrafilter membrane having a fractionizing molecular weight of ≥1,000 and <10,000.
Inventors:
MURAO KOZO
KANO MAKOTO
KANO MAKOTO
Application Number:
JP2003098139A
Publication Date:
October 28, 2004
Filing Date:
April 01, 2003
Export Citation:
Assignee:
DAIYANITORIKKUSU KK
International Classes:
B01D61/14; C07C231/24; C07C233/09; C07D213/82; C12P13/02; C12P17/06; C12P17/12; (IPC1-7): C12P13/02; B01D61/14; C07C231/24; C07C233/09; C07D213/82; C12P17/06
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama