Hydrocarbon compositions containing polyolefin graft polymers

Details Hydrocarbon compositions containing polyolefin graft polymers Hydrocarbon compositions containing polyolefin graft polymers

1986-09-25

1988-08-16

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

525131, 5253317, 252 515R, C10M14900

Patent

active

047643048

ABSTRACT:
Dispersant viscosity index improvers for lubricating oils contain an EPR or EPT polymer onto which has been graft polymerized isocyanatoethyl methacrylate and thereafter reacted with N-methyl piperazine.

REFERENCES:
patent: 4292185 (1981-09-01), Bollinger
patent: 4440659 (1984-03-01), Chen et al.
patent: 4500440 (1985-02-01), Kaufman et al.
patent: 4505834 (1985-03-01), Papay et al.

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