C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/06 (2006.01) C08L 23/18 (2006.01) C08L 23/24 (2006.01) C08L 71/02 (2006.01) C08L 71/08 (2006.01) C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 10/00 (2006.01)
Patent
CA 2104825
The invention provides a gasoline composition comprising a major amount of a gasoline suitable for use in spark-ignition engines, a minor amount of a polyalphaolefin having a viscosity at 100°C in the range 2 × 10 -6 to 2 × 10 -5 m2/s (2 to 20 centistokes), being a hydrogenated oligomer containing 18 to 80 carbon atoms derived from at least one alphaolefinic monomer containing from 8 to 16 carbon atoms, and a minor amount of a polyoxyalkylene compound selected from glycols, mono- and diethers thereof, having number average molecular weight (M n) in the range 400 to 3000, the weight ratio polyalphaolefin: polyoxyalkylene compound being in the range 1:10 to 10:1; a concentrate for the preparation of such gasoline composition and a method of operating a spark-ignition engine using such gasoline composition.
Graham Joseph
Van Es Cornelis
Shell Canada Limited
Smart & Biggar
LandOfFree
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