Compositions – Leather or fur treating
Patent
1981-12-17
1984-02-21
Nucker, Christine M.
Compositions
Leather or fur treating
166308, 526294, 252307, 252 56R, E21B 4326, E21B 4327
Patent
active
044328826
ABSTRACT:
Liquid hydrocarbon foams containing from 0.05 to 5 wt. % of a fluorocarbon polymer containing from 25 to 60 wt. % units of the structure ##STR1## where --R.sup.1 is --H or --F, m is an integer from 2 to 10, and n is 1 or 2 and 75 to 40 wt. % units of the structure ##STR2## where --R.sup.3 is an alkyl group containing from 10 to 20 carbon atoms. The foams are useful as oil and gas well fracturing fluids and for applying the fluorocarbon polymer to textiles as an oil and water repellant.
REFERENCES:
patent: 3282905 (1966-11-01), Fasick et al.
patent: 3491169 (1970-01-01), Raynolds et al.
patent: 3937283 (1976-02-01), Blauer et al.
patent: 3980136 (1976-09-01), Plummer et al.
patent: 4046196 (1977-09-01), Brown et al.
patent: 4148217 (1979-04-01), Engle
patent: 4194566 (1980-03-01), Maly
"Fluorocarbon Surfactants: Their Current and Future Applications in Oil and Gas Well Stimulation" by David L. Holcomb presented Apr. 1971.
"Fluorocarbon Surfactants: Their Current and Future Applications in Oil and Gas Well Stimulation" by David L. Holcomb, presented Apr. 1977.
Fournier Louis B.
Raynolds Stuart
E. I. Du Pont de Nemours and Company
Nucker Christine M.
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