C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/136, 253/63
C10M 139/04 (2006.01) C07F 7/04 (2006.01)
Patent
CA 1103652
CANADA ABSTRACT OF THE DISCLOSURE "FUNCTIONAL FLUIDS " A functional fluid having particular application as hydraulic fluid, refrigerant oil, electrical oil or heat transfer fluid comprises a major amount of a hydrocarbon oil and a minor amount of an oxysilane compound having the general formula:- Image wherein:- Rl is alkyl, alkenyl, aryl, alkaryl, aralkyl oralicyclic; R2 and R3 are each independently a group as defined for Rl or a group of the formula - (oR5) - oR6; R4 is a group cf the formula - (OR )n - OR or a group of the formula:- Image R5 is alkylene; R6 is alkyl, alkenyl, aryl, alkaryl,aralkyl or alicyclic; n is zero or an integer; and R7 is a direct linkage or a group of the ormula -( oR5 )n o - , provided that when R7 is a direct linkage at least one group R2 or R3 is a group of the formula -( OR5 )-n OR6.
306086
Askew Herbert F.
Bridgwater Terry J.p.
Harrington Colin J.
Castrol Limited
Fetherstonhaugh & Co.
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