Process of thermal stabilization of aqueous solutions of polysac

Details Process of thermal stabilization of aqueous solutions of polysac Process of thermal stabilization of aqueous solutions of polysac

1984-09-28

1986-07-08

Terapane, John F.

Compositions

Leather or fur treating

252 85C, 536114, C09K 300, E21B 000

Patent

active

045991804

ABSTRACT:
Stabilization of aqueous solutions of polysaccharides, even in the hot, by the addition of alkali metal dialkyl-dithiocarbamate and sodium chloride or calcium chloride. Applications to drilling fluids and to the improved recovery of crude oil.

REFERENCES:
patent: 3232929 (1966-02-01), McNeely
patent: 4048079 (1977-09-01), Clampitt
patent: 4068714 (1978-01-01), Hessert
patent: 4218327 (1980-08-01), Wellington
patent: 4247402 (1981-01-01), Hartfiel
patent: 4331543 (1982-05-01), Wilson
patent: 4353805 (1982-10-01), Kragen
patent: 4393151 (1983-07-01), Dawans
patent: 4508629 (1985-04-01), Borchardt

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