Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical
Patent
1984-06-29
1988-06-21
Warren, Charles F.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing saccharide radical
435101, 435253, 435813, 435910, 536114, 536123, C12P 1906
Patent
active
047525800
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.
REFERENCES:
patent: 4104123 (1978-08-01), Duc et al.
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.
Kaplan David S.
Shell Oil Company
Warren Charles F.
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