Hybrid grease prepared by anhydrous metal soap and overbased metal detergent and preparation method thereof

China Patent

APP PUB NO CN-121569014-A
SERIAL NO

202480046700

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Abstract

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Greases suitable for high temperature applications and which are more cost effective alternatives to lithium greases. The grease is prepared from an oil of lubricating viscosity, 1.0 to 22.5 wt.% of an overbased metal detergent, 5.0 to 18.5 wt.% of a metal carboxylate soap component that is the reaction product of a metal hydroxide and/or metal carbonate and a fatty acid, 0.2 to 8.0 wt.% of an oxygenate promoter (e.g., an alcohol and/or an organic acid), and 1 to 15 wt.% of water. The grease has a drop point of at least 220 ℃ as measured using ASTM D2265.

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Patent Owner(s)

Patent OwnerAddress
THE LUBRIZOL CORPUSU S A

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Inventor(s)

Inventor Name Address
FISH GARETH -
CLARK JENNIFER E -
DURA ROBERT D -
MCCUNE DAVID K U S A

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