Metal alkylphenate sulfides of reduced corrosiveness and method

Details Metal alkylphenate sulfides of reduced corrosiveness and method Metal alkylphenate sulfides of reduced corrosiveness and method

1976-03-19

1977-04-05

Gotts, Lewis

Compositions

Electrolytes for electrical devices

44 75, 252 75, 260137, 260125, C10M 154

Patent

active

040160939

ABSTRACT:
Neutral and overbased metal alkylphenate sulfides prepared by the steps of (1) reacting an alkylphenol sulfide with minor amounts of a basic material; (2) subjecting the reaction mixture of step (1) to steam sparging, carbonation, air sparging or a combination thereof; (3) reacting the product of step (2) with a metal oxide or hydroxide in the presence of an alcohol and carbon dioxide; and (4) subjecting the product of step (3) to steam sparging, carbonation, air sparging or a combination thereof, provide lower corrosiveness than conventional overbased metal alkylphenate sulfides. Fluid organic compositions such as, for example, oils and fuels which contain one or more of the present metal alkylphenate sulfides have excellent detergency and minimal corrosiveness with respect to metal surfaces.

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patent: 3746698 (1973-07-01), Hunt et al.
patent: 3801507 (1974-04-01), Hendrickson et al.

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