C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/00 (2006.01) C10M 133/00 (2006.01) C10M 133/06 (2006.01) C10M 135/18 (2006.01) C10M 137/10 (2006.01) C10M 141/10 (2006.01) C10M 163/00 (2006.01) C10M 167/00 (2006.01)
Patent
CA 2186169
This invention relates to a composition, comprising: (A) a compound represented by the formula Image (A-I) wherein in Formula (A-I), R1, R, R3 and R4 are independently hydrocarbyl groups, X1 and X are independently O or S, and n is zero to 3; and (B) an acylated nitrogen-containing compound having a substituent of at least 10 aliphatic carbon atoms. In one embodiment, the inventive composition further comprises (C) a second phosphorus compound other than (A), said second phosphorus compound being a phosphorus acid, phosphorus acid ester, phosphorus acid salt, or derivative thereof. In one embodiment, the inventive composition further comprises (D) an alkali or alkaline earth metal salt of an organic sulfur acid, carboxylic acid or phenol. In one embodiment, the inventive composition further comprises (E) a thiocarbamate. These compositions are useful in providing lubricating compositions and functional fluids with enhanced antiwear properties.
Abraham William D.
Manka John S.
Roby Stephen H.
Supp James A.
Tipton Craig D.
Ridout & Maybee Llp
The Lubrizol Corporation
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