Microbial polysaccharide amine adducts

Details Microbial polysaccharide amine adducts Microbial polysaccharide amine adducts

1983-08-12

1986-05-27

Brown, Johnnie R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

2523153, 252194, C08B 3700

Patent

active

045916390

ABSTRACT:
Microbial polysaccharides can be quantitatively precipitated from their aqueous solutions, in particular directly from the fermentation solutions, in an acidic medium in the form of an adduct with a tertiary amine which has a long-chain alkyl radical. It is advantageous to add the amine to the polysaccharide solution and then to carry out the precipitation, in particular by adding the dispersion obtained to an acidic coagulation bath. The adducts are suitable for use as thickeners and for preparing the free polysaccharides.

REFERENCES:
patent: 3422085 (1969-01-01), Gill et al.
patent: 4254257 (1981-03-01), Schroeck

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