Lubricant compositions containing boron dispersant, VI improver,

Details Lubricant compositions containing boron dispersant, VI improver, Lubricant compositions containing boron dispersant, VI improver,

1974-07-22

1978-03-21

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 496, 252 515A, 252 57, 252 781, C10M 132, C10M 110, C10M 124, C10M 326

Patent

active

040803031

ABSTRACT:
Lubricant compositions comprising (I), a viscosity improving agent, (II) a boron-containing dispersant, and (III) an ester of an aromatic carboxylic acid having six to ten carbon atoms in the aromatic nucleus and a total of 6 to 40 aliphatic and alicyclic carbon atoms as well as additive concentrates for making such lubricant compositions are disclosed. Preferably, (I) is a carboxy-containing interpolymer in which some carboxy radicals are esterified and the remaining carboxy radicals are neutralized with an amino compound and (II) is a borated, acylated polyamino compound, having an acyl group containing at least 50 carbon atoms. These lubricant compositions are useful as automatic transmission fluids and the like.

REFERENCES:
patent: 2936320 (1960-05-01), Benoit
patent: 3019188 (1962-01-01), Craven et al.
patent: 3021357 (1962-02-01), Swakon
patent: 3087936 (1963-04-01), Le Suer
patent: 3533945 (1970-10-01), Vogel
patent: 3634249 (1972-01-01), Dupas et al.
patent: 3637501 (1972-01-01), Malec et al.
patent: 3658836 (1972-04-01), Vineyard
patent: 3702300 (1972-11-01), Coleman
patent: 3825496 (1974-07-01), Braid
patent: 3974081 (1976-08-01), Rutkowski et al.

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