Title:
【発明の名称】長鎖アルキル多糖類の製造方法
Document Type and Number:
Japanese Patent JP2601701
Kind Code:
B2
Abstract:
PURPOSE:To obtain the title surface-active polysaccharide causing no heat deterioration and little in scorch (discoloration) by bringing an alkyl polysaccharide crude product containing as impurities higher alcohols into contact with a supercritical gas. CONSTITUTION:The objective long chain alkyl polysaccharide containing 8-18C alkyl groups can be obtained by supercritical gas extraction in which an alkyl polysaccharide crude product containing as impurities 8-18C higher alcohols is brought into contact with a supercritical gas (pref. carbon dioxide). In said supercritical gas extraction, it is preferable that water and/or a lower alcohol be added, as entrainer, to the supercritical gas.
Inventors:
Kato Makoto
Application Number:
JP25639888A
Publication Date:
April 16, 1997
Filing Date:
October 12, 1988
Export Citation:
Assignee:
Japan Corn Starch Co., Ltd.
International Classes:
C08B11/02; B01D11/00; C08B37/00; (IPC1-7): C08B37/00; B01D11/00; C08B11/02
Attorney, Agent or Firm:
Kentaro Iida (1 person outside)