C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 107/08 (2006.01) C10M 111/04 (2006.01)
Patent
CA 2117446
This invention relates to a two-stroke engine oil which comprises polybutene base oils which are either very low in or are substantially free of n-butenes in the polymer backbone. The absence of n-butenes in the polybutenes significantly reduces smoke emission in exhaust gases generated by the use of the engine oil. Polybutenes such as ULTRAVIS~ which are substantially free of chlorine and have a high degree of terminal unsaturation are particularly preferred.
Fotheringham John D.
Mcmahon John
Bp Chemicals Limited
Fetherstonhaugh & Co.
Ineos Europe Limited
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