Borated oxazolines as varnish inhibiting dispersants in lubricat

Details Borated oxazolines as varnish inhibiting dispersants in lubricat Borated oxazolines as varnish inhibiting dispersants in lubricat

1977-01-28

1978-09-26

Shaver, Paul F.

Compositions

Electrolytes for electrical devices

260307R, 260307A, C10M 110, C10M 150

Patent

active

041168763

ABSTRACT:
Borated derivatives of: (a) hydrocarbyl substituted mono- and bis-oxazolines obtained as a reaction product of hydrocarbyl substituted dicarboxylic acid, ester, or anhydride, for example, polyisobutenylsuccinic anhydride with from 1 to 2 molar equivalents of a 2,2-disubstituted-2-amino-1-alkanols, such as tris-(hydroxymethylamino)methane (THAM); and, (b) lactone oxazolines obtained as a reaction product of hydrocarbyl substituted lactone carboxylic acids, for example, polybutyl lactone carboxylic acid, with 2,2-disubstituted-2-amino-1-alkanols, such as tris-(hydroxymethyl)aminomethane (THAM), and their derivatives are useful additives in lubricating oils since both the sludge dispersant and/or varnish inhibiting properties of said oil are enhanced.

REFERENCES:
patent: 3254025 (1966-05-01), LeSuer
patent: 3389124 (1968-06-01), Sparks
patent: 3446808 (1969-05-01), Cyba
patent: 3505226 (1970-04-01), Cyba
patent: 4035309 (1977-07-01), Brois

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