C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 117/04 (2006.01) C10M 115/04 (2006.01) C10M 115/10 (2006.01) C10M 115/12 (2006.01) C10M 117/02 (2006.01) C10M 117/10 (2006.01) C10M 169/06 (2006.01)
Patent
CA 2299216
Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of simple metal soap thickened base grease, complex grease and failed complex grease, at least one metal salt of a sulfur and phosphorus containing acid, an overbased metal salt of an organic acid, a hydrocarbyl phosphite, and optionally, an aliphatic group substituted carboxylic acid, anhydride thereof and aliphatic group substituted lactone, wherein the aliphatic group contains at least about 8 carbon atoms in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15°C.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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