Water-soluble polymers and utilization thereof

Details Water-soluble polymers and utilization thereof Water-soluble polymers and utilization thereof

1981-01-08

1982-10-26

Guynn, Herbert B.

Compositions

Leather or fur treating

166246, E21B 4322

Patent

active

043560954

ABSTRACT:
Water-soluble polymers that thicken reversibly in aqueous solution on alteration of the degree of alkalinity are manufactured by treating an aqueous suspension of protein with the enzymes elaborated extracellularly by a species of the genus Pseudomonas. The water soluble polymers resulting therefrom are biodegradable. They are useful for stabilizing emulsions, as flow-control agents in water base paint, and as anti-redeposition agents in laundry detergents. They are particularly useful as coagulants for colloidal suspensions of solids such as the phosphate slimes byproduct of the large scale hydraulic mining of the phosphate deposits. They are also particularly useful as flow control agents in the water flooding process for the recovery of petroleum.

REFERENCES:
patent: 3305016 (1967-02-01), Lindblom et al.
patent: 3761353 (1973-09-01), Noe et al.
patent: 3933788 (1976-01-01), Kang et al.
patent: 3965985 (1976-06-01), Hitzman

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