Process for preparing Xanthomonas heteropolysaccharides

Details Process for preparing Xanthomonas heteropolysaccharides Process for preparing Xanthomonas heteropolysaccharides

1987-03-20

1988-07-19

Guynn, Herbert B.

Compositions

Leather or fur treating

166246, 252 8554, 2523153, 435104, 435253, 536114, C09K 702, E21B 4322

Patent

active

047583568

ABSTRACT:
Process for preparing Xanthomonas heteropolysaccharide from Xanthomonas campestris NCIB 11854 and use of the latter, e.g. as viscosity modifier in an aqueous solution, and in a drilling fluid and use in connection with well treatments, and enhanced oil recovery.

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patent: 4301247 (1981-11-01), Weisrock
patent: 4311796 (1982-01-01), Weisrock
patent: 4328308 (1982-05-01), Weisrock
patent: 4418145 (1983-11-01), Weisrock et al.

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