C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 137/10 (2006.01) C10M 133/40 (2006.01) C10M 135/36 (2006.01) C10M 137/04 (2006.01) C10M 141/10 (2006.01)
Patent
CA 2052830
A-18283/A/CGM 372 Lubricant composition Abstract of the Disclosure Compositions comprising a) a lubricant or a hydraulic fluid, b) at least one compound of general formula I Image (I), wherein R1 and R2 are each independently of the other C1-C24alkyl, unsubstituted or C1-C12alkyl-substituted phenyl or unsubstituted or C1-C4alkyl-substituted C5-C12cyclo- alkyl, or R1 and R2, when taken together, are a dimethylene or trimethylene group which is unsubstituted or substituted by at least one C1-C4alkyl group, and X1 is sulfur or oxygen; and c) at least one compound of general formula II, III or IV or a mixture of such compounds and/or at least one compound of general formula V, Image (II) Image (III) Image (IV) Image (V) wherein R3 to R16 and X2, X3, X4, M and a are as defined in claim 1, have excellent stability to oxidative degradation.
Schumacher Rolf
Zinke Horst
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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