Process for preparing over-based sulfurized alkaline earth metal

Details Process for preparing over-based sulfurized alkaline earth metal Process for preparing over-based sulfurized alkaline earth metal

1977-12-21

1978-10-31

Vaughn, Irving

Compositions

Electrolytes for electrical devices

44 51, C10M 154, C10M 348, C10M 528, C10M 752

Patent

active

041233719

ABSTRACT:
A process for producing over-based sulfurized alkaline earth metal phenates useful as lubricating oil or fuel oil additives comprising reacting a phenol, sulfur, a dihydric alcohol and an alkaline earth metal oxide or hydroxide with about 0.99 to about 0.001 gram equivalents per phenolic hydroxyl group, and reacting the reaction product with carbon dioxide at a temperature of about 50.degree. to about 230.degree. C.

REFERENCES:
patent: 3725381 (1973-04-01), Sakai et al.

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