Magnesium phenate detergents

Details Magnesium phenate detergents Magnesium phenate detergents

1988-12-27

1990-09-18

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

C10M12910

Patent

active

049576429

ABSTRACT:
A magnesium phenate is prepared by a process which comprises reacting (1) magnesium oxide, magnesium hydroxide, magnesium carbonate, magnesium bicarbonate or a magnesium carboxylate with (2) a phenol, a methylene bis-phenol or a sulphurised phenol in the presence of (3) a solvent comprising an organic compound containing one or more alcoholic hydroxyl groups e.g. an alkoxy alcohol and (4) a promoter selected from a ketone, diketone such as .alpha. or .beta. diketone, aldehyde or carboxylic acid and (5) optionally a diluent oil. This magnesium phenate may be used as a detergent for a lubricating oil.

REFERENCES:
patent: Re32235 (1986-08-01), Forsberg
patent: 3410798 (1968-11-01), Cohen
patent: 3544463 (1970-12-01), Koft, Jr.
patent: 4049560 (1977-09-01), Dominey

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