Concentrates of lubricant additives

Details Concentrates of lubricant additives Concentrates of lubricant additives

1983-03-14

1985-03-05

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 405, 252 42, 252 427, 252 515R, C10M 132, C10M 154

Patent

active

045029717

ABSTRACT:
Dispersants and basic magnesium detergents tend to interact when mixed in additive concentrates and in bulk lubricants resulting in an undesirable increase in viscosity. It has been found that this problem may be significantly reduced if the dispersant is prereacted with a basic salt containing an alkali metal such as sodium, preferably in an amount corresponding to at least 0.001 gram atoms alkali metal per 100 grams dispersant. The reaction product may be used in concentrates containing basic magnesium detergents for use in lubricants.

REFERENCES:
patent: Re26433 (1968-08-01), LeSuer
patent: 3182019 (1965-05-01), Wilks et al.
patent: 3945933 (1976-03-01), Chibnik

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