Multigrade synthetic hydrocarbon engine oils

Details Multigrade synthetic hydrocarbon engine oils Multigrade synthetic hydrocarbon engine oils

C - Chemistry, Metallurgy

10

M

253/117, 253/127

C10M 115/02 (2006.01) C10M 107/10 (2006.01) C10M 111/04 (2006.01) C10M 115/04 (2006.01) C10M 169/04 (2006.01) F02B 3/06 (2006.01)

Patent

CA 2022997

ABSTRACT OF THE DISCLOSURE 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 C30 up to C70+ 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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