Use of polyesters as viscosity index improvers for aircraft hydraulic fluids

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United States of America Patent

PATENT NO 11339346
APP PUB NO 20190382681A1
SERIAL NO

16462356

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Abstract

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The invention is related to a composition for use in hydraulic systems of an aircraft. The composition typically comprises an adipic acid-based polyester in a phosphate ester base stock substantially consisting of trialkyl phosphates.

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Patent Owner(s)

Patent OwnerAddress
EVONIK OPERATIONS GMBHRELLINGHAUSER STRASSE 1-11 ESSEN 45128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kolb, Nicolai Recklinghausen, DE 10 21
Maier, Stefan Karl Shanghai, CN 7 9
Neusius, Michael Darmstadt, DE 6 74

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