Spirolactone condensation product dispersants and lubricants con

Details Spirolactone condensation product dispersants and lubricants con Spirolactone condensation product dispersants and lubricants con

1982-02-04

1985-07-30

Metz, Andrew H.

Compositions

Electrolytes for electrical devices

549265, C10M 132

Patent

active

045320586

ABSTRACT:
Motor oil dispersants are disclosed which are made by heating alkenyl succinic anhydrides in the presence of bases and heating the resulting products with a polyamine H.sub.2 N(RNH).sub.n H or a polyamine alcohol HO(RNH).sub.n H.
Also disclosed are motor oils containing from 0.10 to 10.00 weight percent of at least one such dispersant.

REFERENCES:
patent: 2301827 (1942-11-01), Stoll
patent: 3062631 (1962-11-01), Thompson
patent: 3155686 (1964-11-01), Prill et al.
patent: 3734865 (1973-05-01), Heiba et al.
patent: 3997569 (1976-12-01), Powell
patent: 4029675 (1977-06-01), Williams et al.
patent: 4104477 (1978-08-01), Lavigne

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