Hydrocarbon oil compositions containing polymers to control visc

Details Hydrocarbon oil compositions containing polymers to control visc Hydrocarbon oil compositions containing polymers to control visc

1976-10-06

1978-03-21

Wyman, Daniel E.

Compositions

Electrolytes for electrical devices

252 52A, 252 52R, 252 56R, C10M 110

Patent

active

040803040

ABSTRACT:
A liquid composition exhibiting reversible solution/emulsion phase transition to provide a relatively constant viscosity/temperature relationship is provided with a hydrocarbon oil and a minor amount of an interpolymer of at least one hydrocarbon monomer and at least one dispersant monomer having an oil soluble pendant moiety wherein the interpolymer is soluble in the oil above a characteristic transition temperature and wherein the dispersant monomer is in sufficient amount to maintain the interpolymer in a stable colloidal dispersion below that transition temperature.

REFERENCES:
patent: 2748170 (1956-05-01), Benoit, Jr. et al.
patent: 3037851 (1962-06-01), Scheule
patent: 3467634 (1969-09-01), Jacknow et al.
patent: 3803034 (1974-04-01), Gaydasch
patent: 3869396 (1975-03-01), Vandekraats et al.
patent: 4008202 (1977-02-01), Evani et al.

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