Patent ID: 6436883
Filing Date: 2002-08-20
Classification: C10M,C10N

Abstract:
A liquid composition of matter that is useful as a hydraulic fluid or gear oil which consists essentially of:a) a water-soluble polyoxyalkylene glycol monobutyl ether having a molecular weight of between 450 and 5000, said polyoxyalkylene glycol monobutyl ether being derived from n-butanol and a gaseous mixture of ethylene oxide and propylene oxide, and wherein the viscosity of the polyoxyalkylene glycol monobutyl ether is between 100 and 4000 in Saybolt Universal Seconds at 38Â° C.; b) a carboxylic acid having between 6 and 18 carbon atoms per molecule of carboxylic acid; and c) an amine.