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Title:
TOOL AND METHOD FOR SEPARATING WATER IN ORGANIC SOLVENT CONTAINING WATER DISPERSED THEREIN
Document Type and Number:
WIPO Patent Application WO/2004/050209
Kind Code:
A1
Abstract:
A tool for use in separating water in an organic solvent containing water dispersed therein, characterized in that it is a cylindrical article having a membrane capable of separating water on a rising face thereof from the lower end to the upper end; and a method for separating water in an organic solvent containing water dispersed therein which comprises filtrating the organic solvent through the water separating membrane of the above tool, to thereby pass the organic solvent through the membrane with the separation of the water. The tool and the method allows the separation of water in an organic solvent, without the absorption of the objective material present in the solvent or the contamination of the material, in a short time, and independently of the specific gravity of the organic solvent.

Inventors:
DAVID GODWIN CORK (JP)
INOUE KUNIHISA (JP)
Application Number:
PCT/JP2003/015238
Publication Date:
June 17, 2004
Filing Date:
November 28, 2003
Export Citation:
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Assignee:
WAKO PURE CHEM IND LTD (JP)
TAKEDA CHEMICAL INDUSTRIES LTD (JP)
DAVID GODWIN CORK (JP)
INOUE KUNIHISA (JP)
International Classes:
B01D17/00; B01D61/00; B01D61/18; B01D63/00; B01D71/36; C07B63/00; C07C231/02; C07C231/08; C07C231/24; (IPC1-7): B01D17/00; B01D61/00; B01D71/36; C07B63/00; C07C231/02; C07C231/08; C07C231/24
Foreign References:
JPH04243529A1992-08-31
Other References:
See also references of EP 1588751A4
Attorney, Agent or Firm:
Inagaki, Hitoyoshi (18-15 Nishishinbashi 1-Chom, Minato-ku Tokyo, JP)
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