Sulfonated and sulfurized detergent-dispersant additives for lub

Details Sulfonated and sulfurized detergent-dispersant additives for lub Sulfonated and sulfurized detergent-dispersant additives for lub

1986-07-07

1988-06-14

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 18, 252 25, 252 334, C10M13500

Patent

active

047510102

ABSTRACT:
Disclosed are detergent-dispersant additives useful in lubricating oils prepared by neutralizing an alkylphenol sulfonic acid, followed by sulfurizing/over-alkalinizing the salt obtained and then carbonating the resultant salt.
Lubricating compositions comprising a lubricating oil and from about 1 to about 30% by weight of the final composition of a detergent-dispersant additive of the invention are also disclosed.

REFERENCES:
patent: 1352898, De Vault
patent: 3429811 (1969-02-01), Robbins et al.
patent: 4192758 (1980-03-01), Dickey et al.
patent: 4251379 (1981-02-01), Le Coent et al.
patent: 4615841 (1986-10-01), Stamatakis et al.

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