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Patent Searching and Data


Title:
METHOD OF REMOVING ORGANIC SUBSTANCE
Document Type and Number:
Japanese Patent JP2002346304
Kind Code:
A
Abstract:

To provide an organic substance removing method capable of highly efficiently discharging and removing an organic substance bonded to and infiltrated into a porous member in a short time by a simple process.

A fluid penetration process for holding the porous member W having the organic substance in a bonded and infiltrated state in a supercritical or subcritical fluid for a definite time in a washing container 5 and a pressure reducing process for discharging a fluid from the washing container 5 to rapidly lower the internal pressure of the washing container 5 to a pressure not more than supercritical or subcritical pressure are respectively performed at least once.


Inventors:
TANAKA AKIRA
SHINOHARA KATSUNORI
ARIMA YUSUKE
HATAKEYAMA KO
SAITO NARIMASA
DEN TAKEYOSHI
NISHIMURA KENJI
YAMANO YUURIKEI
Application Number:
JP2002000747A
Publication Date:
December 03, 2002
Filing Date:
January 07, 2002
Export Citation:
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Assignee:
MITSUBISHI MATERIALS CORP
International Classes:
B08B3/08; B01D11/00; B01J3/00; B08B3/10; (IPC1-7): B01D11/00; B01J3/00; B08B3/08; B08B3/10
Attorney, Agent or Firm:
Chiharu Shimizu (1 outside)