Compositions – Electrolytes for electrical devices
Patent
1976-11-11
1978-09-12
Shaver, Paul F.
Compositions
Electrolytes for electrical devices
260307R, 260307A, C10M 132, C10M 150
Patent
active
041136390
ABSTRACT:
The combination of an oil-soluble oxazoline reaction product having a (M.sub.n) of from about 1,000 to 3500, e.g., the reaction product of polybutenyl succinic anhydride with tris(hydroxymethyl) aminomethane and an oil-soluble acylated nitrogen compound having a (M.sub.n) of from about 1300 to 8,000, e.g. polybutenyl succinic anhydride reacted with tetraethylene pentamine which nitrogen compound can be borated, if desired, are surprisingly useful as combined additives for lubricating oils to increase the dispersancy and varnish inhibition properties of said oil when one part per weight of said oxazoline reaction product is combined with from 0.2 to 4, preferably 1 to 3, parts by weight of said acylated nitrogen compound.
REFERENCES:
patent: 2905644 (1959-09-01), Butter
patent: 3966620 (1976-06-01), Bridger et al.
patent: 4035309 (1977-12-01), Brois
Brownawell Darrell W.
Goletz, Jr. Edward
Lonstrup Thorkild F.
Numair Solomon J.
Dexter Roland A.
Exxon Research & Engineering Co.
Johmann Frank T.
Shaver Paul F.
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