Process for preparing hydroxyethyl starch suitable as plasma...

Details Process for preparing hydroxyethyl starch suitable as plasma... Process for preparing hydroxyethyl starch suitable as plasma...

C - Chemistry, Metallurgy

08

B

260/221.4

C08B 31/12 (2006.01) A61K 31/16 (2006.01) A61K 31/715 (2006.01) A61K 35/16 (2006.01) A61K 47/00 (2006.01) C08B 31/00 (2006.01) C08B 31/08 (2006.01) C08B 31/10 (2006.01) C08B 33/04 (2006.01) C08B 37/02 (2006.01)

Patent

CA 1092603

ABSTRACT OF THE DISCLOSURE The present invention provides a process for preparing hydroxyethyl starch suitable as a plasma expander by alkaline hydroxyethylation of starch and subsequent neutralization of the reaction mixture, the improvement which comprises extracting the hydroxyethyl starch so obtained from the reaction mixture with a solvent, in which the salts formed by the neutralization are only sparingly soluble or insoluble.

300511

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