Method for improving the oxidative stability of industrial...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Rosin – tall oil – or derivatives of indeterminate structure...

Reexamination Certificate

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C508S579000, C508S580000

Reexamination Certificate

active

07579306

ABSTRACT:
An oxidatively stable biodegradable industrial fluid is disclosed, wherein the industrial fluid is comprised of an epoxidized vegetable oil or synthetic ester in combination with at least one antioxidant. A method for improving the oxidation stability of industrial fluids is also disclosed and comprises employing as the base oil of said hydraulic fluid an epoxidized synthetic ester in combination with at least one antioxidant.

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