C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/177 (2006.01) C10M 137/10 (2006.01)
Patent
CA 2109444
Novel dithiophosphates as antiwear additives Abstract of the Disclosure The invention relates to novel compounds of formulae I, II and III Image Image (I) (II) Image (III) wherein R1 is hydrogen, C1-C20alkyl or C5-C7cycloalkyl, R2 is hydrogen, C1-C20alkyl or C5-C7cycloalkyl,and R3 is C1-C18alkyl or C3-C18alkenyl. The compounds are used as antiwear additives for lubricants.
Camenzind Hugo
Dubs Paul
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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