Compositions – Leather or fur treating
Patent
1981-05-04
1983-06-21
Guynn, Herbert B.
Compositions
Leather or fur treating
166272, E21B 4324, E21B 43138
Patent
active
043893201
ABSTRACT:
Thermally stable foamable gelled compositions suitable for post-primary oil recovery, e.g., steam- or gas-foamed systems comprising water, a surfactant, a polymeric viscosifier, an aldehyde component, and at least one phenolic component such as resorcinol, catechol, and the like, as well as selected oxidized phenolic materials such as 1,4-benzoquinone of natural or syntheic origin and natural and modified tannins. The gel compositions can additionally contain gel stabilizers such as sulfomethylated quebracho (SMQ) and chemical buffering agents such as sodium bicarbonate.
REFERENCES:
patent: 3412793 (1968-11-01), Needham
patent: 3993133 (1976-11-01), Clampitt
patent: 4085800 (1978-04-01), Engle et al.
patent: 4244826 (1981-01-01), Swanson
patent: 4246124 (1981-01-01), Swanson
Guynn Herbert B.
Phillips Petroleum Company
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