Lubricating composition having a selectively sulfonated and hydr

Details Lubricating composition having a selectively sulfonated and hydr Lubricating composition having a selectively sulfonated and hydr

1977-05-23

1978-04-25

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 482, C10M 140, C10M 334, C10M 522, C10M 738

Patent

active

040861716

ABSTRACT:
A lubricating composition having much improved high temperature performance characteristics comprises a major amount of a lubricating oil and a viscosity-index improving amount of a selectively sulfonated and selectively hydrogenated monoalkenyl arene-conjugated diene two block copolymer.

REFERENCES:
patent: 3574720 (1971-04-01), DeVault
patent: 3761458 (1973-09-01), Holler et al.
patent: 3769212 (1973-10-01), Stanton et al.
patent: 3793203 (1974-02-01), Driscoll et al.
patent: 3972243 (1976-08-01), Driscoll et al.

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