Sulfur-phosphorus adducts of chromium catalyzed...

Details Sulfur-phosphorus adducts of chromium catalyzed... Sulfur-phosphorus adducts of chromium catalyzed...

C - Chemistry, Metallurgy

07

F

402/339, 253/81,

C07F 9/17 (2006.01) C10M 107/48 (2006.01) C10M 111/04 (2006.01) C10M 137/10 (2006.01) C10M 153/02 (2006.01) C10M 169/04 (2006.01)

Patent

CA 1338959

Phosphorodithioate derivatives of oligomers of polyalphaolefins of high viscosity index for use as lubricants and lubricant additives are described. These have a methyl group to methylene group branch ratio of less than 0.19, wherein the derivative has an empirical formula of Image where X can be R which is a hydrocarbon group of 3 to 30 carbon atoms which is unsubstituted or substituted by O, S or N; and where each of R1, R2, R3 and R4 is hydrogen or alkyl or alkenyl of 1 to 500 carbon atoms.

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