Chemistry of hydrocarbon compounds – Product blend – e.g. – composition – etc. – or blending process... – Component of indefinite molecular weight greater than 150
Patent
1989-04-28
1991-02-05
Garvin, Patrick P.
Chemistry of hydrocarbon compounds
Product blend, e.g., composition, etc., or blending process...
Component of indefinite molecular weight greater than 150
585 17, 585411, 585452, C10L 116
Patent
active
049907093
ABSTRACT:
A process is disclosed for the oligomerization of C.sub.2 -C.sub.5 alpha olefin mixtures or C.sub.3 -C.sub.5 alpha-olefins alone to produce novel lubricant range products having high viscosity index and regio-regularity not greater than 40%. Lower hydrocarbon fractions useful as gasoline and distillate fuels are also produced. The process comprises contacting said mixtures or C.sub.3 -C.sub.5 alpha-olefins with a reduced valence state chromium oxide catalyst on a silica support in an oligomerization zone under oligomerization conditions comprising a temperature from 90.degree. C. to 250.degree. C. The process can be carried out in dilute form using an inert solvent such as octane. The lubricant products can be produced in wide range of viscosities including the direct production of low viscosity lubricants having high viscosity index.
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Garvin Patrick P.
Irzinski E. D.
Keen Malcolm D.
McKillop Alexander J.
Mobil Oil Corporation
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