Title:
溶剤抽出法
Document Type and Number:
Japanese Patent JPH09510913
Kind Code:
A
Abstract:
A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is disclosed. The process comprises the steps of (1) contacting a sample of the raw material with an extraction solvent comprising 1,1,1,2-tetrafluoroethane and a co-solvent selected from an alkane and a hydrocarbon ether, (2) forming a solvent liquor comprising the extraction solvent and an extract from the raw material, and (3) separating the solvent liquor containing the extract from the raw material.
Inventors:
ノークス,テイモテイ,ジエームス
パウエル,リチヤード,レヴエリン
ワイルド,ピーター,フレデリツク
パウエル,リチヤード,レヴエリン
ワイルド,ピーター,フレデリツク
Application Number:
JP52528895A
Publication Date:
November 04, 1997
Filing Date:
March 15, 1995
Export Citation:
Assignee:
インペリアル・ケミカル・インダストリーズ・ピーエルシー
International Classes:
A01N63/00; A23L5/20; A61K8/97; A61K8/96; A61K31/00; A61K36/00; A61K36/13; A61K36/23; B01D11/02; B01D11/04; C11B1/10; C11B9/00; (IPC1-7): B01D11/04; A61K7/00; B01D11/02
Attorney, Agent or Firm:
八木田 茂 (外2名)