Heteropolysaccharide S-130

Details Heteropolysaccharide S-130 Heteropolysaccharide S-130

1981-04-23

1982-08-03

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

252 85C, 252 85M, 252 855D, 252352, 435 72, 536 1, 536114, C07H 100, C08B 3700

Patent

active

043428665

ABSTRACT:
The new heteropolysaccharide S-130, prepared by fermentation of an unnamed Alcaligenes species, ATCC 31555 has valuable properties as a thickening, suspending and stabilizing agent in aqueous systems. It is especially useful in formulating oil well drilling fluids and muds. Its chemical composition is 2.8-7.5% acyl groups, 11.6-14.9% glucuronic acid; and the neutral sugars mannose, glucose and rhamnose, in the approximate molar ratio 1:2:2.

REFERENCES:
patent: 3020206 (1962-02-01), Patton et al.
patent: 3362951 (1968-01-01), Farkas et al.
patent: 3822250 (1974-07-01), Kimura et al.
patent: 3960832 (1976-06-01), Kang et al.

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