Composition of hydraulic fluid and process for the...

Details Composition of hydraulic fluid and process for the... Composition of hydraulic fluid and process for the...

2006-03-29

2011-10-11

Goloboy, Jim (Department: 1771)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

C508S577000

Reexamination Certificate

active

08034751

ABSTRACT:
The present invention provides a composition of hydraulic fluid that mainly contains alkyl benzenes. In addition to alkyl benzenes, the composition also contains an antioxidant, an antifoaming agent, a pour point dispersant, a corrosion inhibitor and a detergent-dispersant additive, an extreme pressure additive, a lubrication additives, comprising of the following steps (I) removing of insoluble matter from the base stock, (II) tailoring the base stock by vacuum distillation and blending, (IV) removing the oxidized matters by adsorption, (V) addition of performance additives and homogenizing the mixture. The product of this invention has utility as an general purpose hydraulic fluid.

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