Acylated mannich thioalkylphenol mono and/or bis-succinimide lub

Details Acylated mannich thioalkylphenol mono and/or bis-succinimide lub Acylated mannich thioalkylphenol mono and/or bis-succinimide lub

1990-12-31

1992-10-20

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 47, 252 464, C10M10572

Patent

active

051567571

ABSTRACT:
A lubricating oil composition having improved dispersancy. The dispersant being prepared by coupling two mono- and/or bis-alkenyl succinimides with an aldehyde and thioalkylphenol. The resulting coupled succinimide is then an acylated with an acylating agent to form an acylated Mannich thioalkylphenol coupled mono and/or bis-alkenyl succinimide.

REFERENCES:
patent: 3442808 (1969-05-01), Traise
patent: 3493520 (1970-02-01), Verdol
patent: 3980569 (1976-09-01), Pindar
patent: 4440655 (1984-04-01), Gemmill
patent: 4699724 (1987-10-01), Nalesnik

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