Composition for use in a twophase or multiphase system

Details Composition for use in a twophase or multiphase system Composition for use in a twophase or multiphase system

1986-08-06

1988-04-26

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210647, B01D 1104

Patent

active

047403047

ABSTRACT:
Composition for use in a twophase or a multiphase system for extraction, purification, concentration and/or separation of biological substances. The composition is characterized in that it contains hydroxyalkyl starch with a degree of substitution in respect of hydroxyalkyl groups of more than 0.02 per glucose unit on an average and with an average molecular weight lower than 800000, preferably at most 400000 and most preferably at most 250000.

REFERENCES:
patent: 3077054 (1963-02-01), Niemeijer et al.
patent: 4361669 (1982-11-01), Evans et al.

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