Hydraulic fluids

Details Hydraulic fluids Hydraulic fluids

1981-11-06

1984-12-04

Lieberman, Paul

Compositions

Electrolytes for electrical devices

252 327E, 252 334, 252 495, 252 515A, 252 56R, 252 75, 252 76, 252 781, 252 785, 252 79, C10M 106

Patent

active

044863241

ABSTRACT:
An aqueous hydraulic fluid comprising at least 80 percent water and containing a hydrocarbyl-substituted succinic acid, a zinc dihydrocarbyl dithiophosphate, a hydroxyalkylamine, sodium alkylbenzene sulfonate, and optionally, a polyalkylene glycol mono-fatty acid ester.

REFERENCES:
patent: 3024198 (1962-03-01), Harrington
patent: 3216936 (1965-11-01), Suer
patent: 3219666 (1965-11-01), Norman et al.
patent: 3231587 (1966-01-01), Rense
patent: 3255108 (1966-06-01), Wiese
patent: 3269946 (1966-08-01), Wiese
patent: 3489682 (1970-01-01), Lesuer
patent: 4118331 (1978-10-01), Jahnke
patent: 4219434 (1980-08-01), Ellis
patent: 4225447 (1980-09-01), Law et al.
patent: 4257902 (1981-03-01), Singer
patent: 4313836 (1982-02-01), Nassry et al.
patent: 4354949 (1982-10-01), Eggers et al.

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