Hydrocarbon compositions containing polyolefin graft polymers

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

1986-09-02

1988-03-22

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525304, 524533, 252 515A, 252 56R, C08F25504, C08F25506, C08F25500

Patent

active

047329424

ABSTRACT:
Lubricating oil compositions of improved dispersancy contain an ethylene-propylene copolymer grafted onto which is acrylic acid dimer, the free carboxyl group of which has thereafter been amidized with diethylene triamine.

REFERENCES:
patent: 4160739 (1979-07-01), Stambaugh et al.
patent: 4219432 (1980-08-01), Girgente et al.
patent: 4517104 (1985-05-01), Bloch et al.
patent: 4557847 (1985-12-01), Gutierrez et al.

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