Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic compound containing boron
Patent
1999-09-02
2000-09-26
Johnson, Jerry D.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic compound containing boron
508197, 508291, C10M14112
Patent
active
061242470
ABSTRACT:
The invention relates to the use of an effective quantity of borated compounds having the following general formula I: ##STR1## in which X is S or O, and R is a hydrocarbyl group containing at least 3 carbon atoms, in particular between 3 and 50 carbon atoms and preferably between 3 and 17 carbon atoms, as an additive improving the compatibility of a lubricating oil composition, comprising dispersants containing basic nitrogen atoms, with fluorocarbon elastomers. In a preferred fashion, the compound of general formula I is borated glycerol monooleate and the concentration of the compound of general formula I is such that the % Boron/% basic N ratio of the lubricating composition varies from 0.25 to 5.
REFERENCES:
patent: 4455243 (1984-06-01), Liston
patent: 4495088 (1985-01-01), Liston
patent: 5006272 (1991-04-01), Andress et al.
patent: 5356552 (1994-10-01), Harrison et al.
Cazin Jacques
Kleijwegt Peter
Kleiser William M.
Tequi Pierre
Chevron Chemical S.A.
Johnson Jerry D.
Sheridan R. J.
Turner W. K.
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