Ashless dispersants comprising reaction product of acylating age

Details Ashless dispersants comprising reaction product of acylating age Ashless dispersants comprising reaction product of acylating age

1995-05-22

1996-03-05

Johnson, Jerry D.

Compositions

Electrolytes for electrical devices

5482656, 564236, C10M13358, C10M13356, C07D24914

Patent

active

054964806

ABSTRACT:
Ashless dispersants are formed using polymers of propylene characterized in that they are liquid substantially linear polymers, they have stereo-irregularity in the polymer chain, at least 60 mol percent of the polymer has a terminal vinylidene group and, optionally, the polymer contains up to 25 mol percent of ethylene or a C.sub.4 to C.sub.10 monoolefin polymerized into the polymer chains.

REFERENCES:
patent: 4871465 (1989-10-01), Hutchison
patent: 4908145 (1990-03-01), Fenoglio
patent: 5080815 (1992-01-01), Fenoglio et al.
patent: 5174915 (1992-12-01), Hutchison et al.

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