C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 159/20 (2006.01) C10L 1/183 (2006.01) C10L 1/24 (2006.01) C10M 159/22 (2006.01) C10M 159/24 (2006.01) C11D 11/00 (2006.01) C11D 11/04 (2006.01)
Patent
CA 2119245
2119245 9306195 PCTABS00021 Ultrasound is used in the preparation of overbased metal-containing detergents, for example, overbased sulphonates or phenates of calcium or magnesium, suitable for use as additives for oil-based compositions, for example, lubricating oils and fuels. The use of ultrasound may, for example, reduce sediment levels, reduce the amount of waste material to be disposed of, reduce the amount of product lost during filtration, and/or increase filtration rates.
Cleverley John A.
Hawkins Neal A.
Marsh John F.
Read William D.
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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