C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 159/20 (2006.01)
Patent
CA 2602770
A lubricating oil composition including at least one sulphurized overbased metal phenate detergent prepared from a C9-C15 alkyl phenol, at least one sulphurizing agent, at least one metal and at least one overbasing agent. The detergent includes less than 6.0% by combined mass of unsulphurized C9-C15 alkyl phenol and its unsulphurized metal salt. The lubricating oil composition exhibits an improved rate of acid neutralization.
Arrowsmith Stephen
Kosidowski Laura
Spencer Jeremy Roger
Watts Peter
Borden Ladner Gervais Llp
Infineum International Limited
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