Fuel and lubricant additives derived from dihydroxyaromatic comp

Details Fuel and lubricant additives derived from dihydroxyaromatic comp Fuel and lubricant additives derived from dihydroxyaromatic comp

1993-10-08

1995-03-21

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

44426, 44427, 44428, 564339, 564395, 564403, C10M14900, C10L 122

Patent

active

053992776

ABSTRACT:
The present invention relates to a novel process for the production of fuel and lubricant additives useful as dispersants and multifunctional viscosity modifiers wherein a dihydroxyaromatic compound is alkylated with an olefinic polymer and then aminated in such a manner as to oxidize the hydroxyl moieties of the dihydroxyaromatic compound to carbonyl groups.

REFERENCES:
patent: 3214472 (1965-10-01), Charle et al.
patent: 3965182 (1976-06-01), Worrel
patent: 4708809 (1987-11-01), Davis
patent: 4740321 (1988-04-01), Davis et al.
patent: 5028394 (1991-07-01), Lowell, Jr. et al.
patent: 5113018 (1992-05-01), Kurano et al.

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