Dispersing additive compositions for lubricating oils and their

Details Dispersing additive compositions for lubricating oils and their Dispersing additive compositions for lubricating oils and their

1986-08-14

1988-05-31

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

548545, C10M13344

Patent

active

047479647

ABSTRACT:
New dispersing additive compositions for lubricating oils, an object of the invention, have an improved efficiency.
Said compositions may be either (1) the products obtained by reacting alkenylsuccinimides with aromatic dianhydrides, or (2) the products obtained by reacting alkenylsuccinimides with an anhydride or a dianhydride of mono- or poly-carboxylic aliphatic, alicyclic or aromatic acid of low molecular weight, the obtained product being then reacted with at least one organic compound having several hydroxyl and/or amine groups.
These dispersing additive compositions may be added to lubricating oils in a proportion, for example, from 0.1 to 20% by weight.

REFERENCES:
patent: 3184474 (1965-05-01), Catto
patent: 4094802 (1978-06-01), Soula et al.
patent: 4234435 (1980-11-01), Meinhardt et al.
patent: 4401581 (1983-08-01), Barrons et al.
patent: 4428849 (1984-01-01), Wisutsky
patent: 4482464 (1984-11-01), Karol et al.
patent: 4617137 (1986-10-01), Plavac
patent: 4617138 (1986-10-01), Wollenberg
CA 86:(12)75738f.

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