Chemistry of hydrocarbon compounds – Product blend – e.g. – composition – etc. – or blending process... – Component of indefinite molecular weight greater than 150
Patent
1983-12-21
1985-03-26
Dixon, Jr., William R.
Chemistry of hydrocarbon compounds
Product blend, e.g., composition, etc., or blending process...
Component of indefinite molecular weight greater than 150
C10M 118
Patent
active
045075158
ABSTRACT:
Ethylene-alpha-olefin copolymers are disclosed being particularly useful as improving the low temperature viscosity and pumpability properties of lubricating oil comprised of a major and minor component each of which have a defined ethylene sequence distribution with respect to the number of ethylenes in sequences of three or more and the percent of ethylene sequences of three or more ethylene units. Ethylene-propylene copolymers are the preferred embodiment.
REFERENCES:
patent: 3551336 (1970-12-01), Jacobson et al.
patent: 3691078 (1972-09-01), Johnston et al.
patent: 3697429 (1972-10-01), Engel et al.
Bloch Ricardo
Johnston John E.
Song W. R.
Ver Strate Gary W.
Dixon Jr. William R.
Exxon Research & Engineering Co.
Johnson C.
Mahon John J.
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