Multigrade hydrogenated decene-1 oligomer engine oils

Details Multigrade hydrogenated decene-1 oligomer engine oils Multigrade hydrogenated decene-1 oligomer engine oils

1989-08-15

1991-02-12

Chaudhuri, Olik

Compositions

Electrolytes for electrical devices

252 56S, 252 56R, 252 515A, 585 10, 585 12, C10M10504, C10M11102

Patent

active

049921835

ABSTRACT:
Non-polymer thickened multigrade engine oils based on synthetic basestocks are provided. The SAE 5W-30, SAE 10W-30 and SAE 15W-40 engine oils are derived from hydrogenated decene-1 oligomer mixtures wherein the oligomers range from C.sub.30 up to C.sub.70+ and are present in specified proportions. Synthetic esters may be combined with the polyalphaolefin oligomer mixture. The synthetic basestocks are formulated with appropriate performance additives to obtain engine oils which meet the desired API Service Requirements for gasoline and/or diesel engine usage. In addition to specified oligomer distributions, the polyalphaolefins have specified viscosities, molecular weights and branching.

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