Title:
【発明の名称】陰イオン変性多糖、その製造方法ならびにその使用
Document Type and Number:
Japanese Patent JPH0764881
Kind Code:
B2
Abstract:
Novel chemically modified anionic polysaccharides which contain acid radicals of the formula attached to the polysaccharide component, wherein R1(-) is carboxyalkyl or dicarboxyalkyl containing 1 to 5 carbon atoms in the alkyl moiety, or is carboxyphenyl or ketocarboxymethyl, and Q1(+) is a water-soluble cation, are obtained by reacting the polysaccharides with compounds that contain N-methylolamide groups, in particular with novel compounds of formula wherein R1(-) and Q1(+) have the given meanings, and are used for purifying effluents and, in particular, for the separation by chromatography of mixtures of substances which contain amphoteric or cationic components.
Inventors:
Yurk Meltz
Application Number:
JP1031386A
Publication Date:
July 12, 1995
Filing Date:
January 22, 1986
Export Citation:
Assignee:
Ciba-Gigi Actien Gezelshyaft
International Classes:
B01D15/08; B01J39/22; C02F1/28; C07C67/00; C07C313/00; B01J20/281; C07C323/60; C08B11/14; C08B31/12; C08B37/00; G01N30/88; (IPC1-7): C08B11/14; B01D15/08; C08B31/12; C08B37/00; G01N30/48
Attorney, Agent or Firm:
Masao Okabe (2 outside)
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