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Stefan Karl Maier
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Shanghai, CN
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Patents Grants
last 30 patents
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Patent Grant
Use of polyesters as viscosity index improvers for aircraft hydraul...
Patent number
11,339,346
Issue date
May 24, 2022
Evonik Operations GmbH
Stefan Karl Maier
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
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Patent Application
USE OF POLYESTERS AS VISCOSITY INDEX IMPROVERS FOR AIRCRAFT HYDRAUL...
Publication number
20190382681
Publication date
Dec 19, 2019
Evonik Oil Additives GmbH
Stefan Karl Maier
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...