Haze free oil additive compositions containing polymeric viscosi

Details Haze free oil additive compositions containing polymeric viscosi Haze free oil additive compositions containing polymeric viscosi

1975-11-03

1978-01-17

Crasanakis, George J.

Compositions

Electrolytes for electrical devices

252 325, 252 334, 252 405, 252 42, 252 59, C10M 148, C10M 342, C10M 524, C10M 746

Patent

active

040691624

ABSTRACT:
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 C.sub.25 to C.sub.70 hydrocarbyl substituted sulfonic acid. The invention also relates to the process for preparing said compositions.

REFERENCES:
patent: 3290244 (1966-12-01), Polishuk et al.
patent: 3412027 (1968-11-01), Morway et al.
patent: 3526596 (1970-09-01), Kress et al.
patent: 3538138 (1970-11-01), Dunbar
patent: 3897353 (1975-07-01), Morduchowitz et al.
patent: 3941834 (1976-03-01), Lee

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