Sulfone copolymeric additive for hydrocarbon oils

Details Sulfone copolymeric additive for hydrocarbon oils Sulfone copolymeric additive for hydrocarbon oils

1976-02-02

1978-01-24

Crasanakis, George

Compositions

Electrolytes for electrical devices

252 475, 252 482, C10M 138

Patent

active

040702952

ABSTRACT:
Sulfone copolymeric oil additives having utility as a lubricating oil pour point depressant, viscosity index improver, dispersant, load carrying agent, rust inhibitor and/or antioxidant, or as a cold flow improver for heavy distillates and residual fuels, comprise the hydrocarbon soluble copolymers of an ethylenically unsaturated polar monomer and sulfur dioxide. This sulfone copolymer may contain one or more additional monomers including: C.sub.2 to C.sub.50, preferably at least C.sub.6, substantially linear alpha olefins; C.sub.2 to C.sub.12, preferably C.sub.2 to C.sub.9, cyclic olefins; and, C.sub.4 to C.sub.6 conjugated diolefins.

REFERENCES:
patent: 2652368 (1953-09-01), Melstrom et al.
patent: 3173870 (1965-03-01), Fields
patent: 3442790 (1969-05-01), Burkard et al.

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