C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/10 (2006.01) C10M 133/02 (2006.01) C10M 137/02 (2006.01) C10M 163/00 (2006.01)
Patent
CA 2422143
An power transmission fluid comprising a mixture of a major amount of a lubricating oil and an effective amount of a performance enhancing additive combination comprising: (a) at least one organic phosphate having the structure: R1- X2-P(:X1)(R2X3)-X-R5 where R1, R2, R3, and R4 may independently be substituted or unsubstituted alkyl, aryl, alkylaryl or cycloalkyl having 1 to 24 carbon atoms and X, X1, X2 and X3 may independently be sulfur or oxygen. R1, R2, R3, and R4 may also contain substituent hetero atoms, in addition to carbon and hydrogen, such as chlorine, sulfur, oxygen or nitrogen; wherein R5 is derived from a reactive olefin and can be either CH2-CHR-C(:O)O-R6; -CH2-CR7HR8; or R9-OC(:O)CH2-CH-C(:O)O-R10 where R is H or the same as R1 through R4, R6, R7, R9 and R10 are the same as R1 through R4, and R8 is a phenyl or alkyl or alkenyl substituted phenyl moiety, the moiety having from 6 to 30 carbon atoms, (b) a calcium detergent, and (c) a friction modifier.
Richard Katherine M.
Watts Raymond F.
Borden Ladner Gervais Llp
Infineum International Limited
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