Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical
Patent
1984-09-24
1987-01-06
Warren, Charles F.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing saccharide radical
435104, 435253, 435824, C12P 1904
Patent
active
046346678
ABSTRACT:
Process for preparing a heteropolysaccharide from strain NCIB 11883 and use of the latter e.g. as viscosity modifier in an aqueous system such as completion fluids, work over fluids, stimulation fluids, and preferably in drilling fluids and use in connection with well-treatments, and enhanced oil recovery.
REFERENCES:
patent: 4269939 (1981-05-01), Kang et al.
Evans Michael W.
Godley Andrew R.
Linton John D.
Shell Oil Company
Thompson Rebecca L.
Warren Charles F.
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