Dithiophosphates, processes for their preparation, and their...

C - Chemistry – Metallurgy – 07 – F

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C07F 9/201 (2006.01) C07F 9/165 (2006.01) C07F 9/6506 (2006.01) C07F 9/6558 (2006.01) C10M 137/10 (2006.01)

Patent

CA 1160225

Abstract The compounds according to the invention corres- pond to the formula I Image (I) in which R is a hydrocarbon radical, A is one of the groups -O-CO-, -O- or Image (in which m is 0-30) and Q, depending on the definition of A, is a hydrocarbon radical, a P-containing radical,an N- heterocyclic group or a radical containing N-heterocyclic groups. The compounds according to the invention also include those which are formed by an addition reaction of an O,O-dialkyl dithiophosphate wlth an epoxidised soybean oil, The compounds according to the invention are very useful as lubricant additives.

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