Haze-free oil additive compositions containing polymeric...

Details Haze-free oil additive compositions containing polymeric... Haze-free oil additive compositions containing polymeric...

C - Chemistry, Metallurgy

10

M

253/128

C10M 143/02 (2006.01) C10M 161/00 (2006.01) C10M 177/00 (2006.01)

Patent

CA 1077466

ABSTRACT OF THE DISCLOSURE Oil compositions comprising a lubricating oil and an oil-soluble hydrocarbon polymeric viscosity index improver, such as ethylene-propylene copolymers, are substantially haze-free when said composition contains an anti-hazing amount of an oil-soluble strong acid containing a hydrogen dissociating moiety which has a pK of less than about 2.5, e.g. a C25 to C70 hydrocarbyl-substituted sulfonic acid.

262744

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