Acidic polysaccharide esters and process for their preparation

Details Acidic polysaccharide esters and process for their preparation Acidic polysaccharide esters and process for their preparation

C - Chemistry, Metallurgy

08

B

260/212, 260/219

C08B 37/08 (2006.01) C08B 37/00 (2006.01)

Patent

CA 1341603

Processes are provided herein for the preparation of acidic polysaccharide esters. One process comprises treating a quaternary ammonium salt of the polysaccharide with an esterifying agent, preferably in an aprotic solvent, and, if desired, salifying free carboxy groups in the partial esters obtained, or releasing salified groups in them.

617150

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