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Stefan Maier
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Darmstadt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Acrylate-olefin copolymers as high viscosity base fluids
Patent number
11,981,877
Issue date
May 14, 2024
Evonik Operations GmbH
Emily Clare Schweißinger
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
High viscosity polyacrylate base fluids
Patent number
11,965,140
Issue date
Apr 23, 2024
Evonik Operations GmbH
Stefan Karl Maier
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Acrylate-olefin copolymers as high viscosity base fluids
Patent number
11,618,797
Issue date
Apr 4, 2023
Evonik Operations GmbH
Stefan Karl Maier
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Comb polymers for improving Noack evaporation loss of engine oil fo...
Patent number
11,015,139
Issue date
May 25, 2021
Evonik Operations GmbH
Katrin Schöller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Comb polymers for improving Noack evaporation loss of engine oil fo...
Patent number
10,633,610
Issue date
Apr 28, 2020
Evonik Operations GmbH
Katrin Schöller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Functional polyalkyl (meth)acrylates with enhanced demulsibility pe...
Patent number
10,428,292
Issue date
Oct 1, 2019
Evonik Oil Additives GmbH
Stefan Maier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PREPARING HOMO- AND COPOLYMERS OF ALKYL (METH)ACRYLATES...
Publication number
20240043768
Publication date
Feb 8, 2024
Evonik Operations GmbH
Frank-Olaf Mähling
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
ACRYLATE-OLEFIN COPOLYMERS AS HIGH VISCOSITY BASE FLUIDS
Publication number
20230383212
Publication date
Nov 30, 2023
Evonik Operations GmbH
Emily Clare SCHWEIßINGER
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HIGH VISCOSITY BASE FLUIDS BASED ON OIL COMPATIBLE POLYESTERS PREPA...
Publication number
20230257674
Publication date
Aug 17, 2023
Evonik Operations GmbH
Stefan Karl MAIER
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HIGH VISCOSITY BASE FLUIDS BASED ON OIL COMPATIBLE POLYESTERS
Publication number
20230257673
Publication date
Aug 17, 2023
Evonik Operations GmbH
Stefan Karl MAIER
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HIGH VISCOSITY POLYACRYLATE BASE FLUIDS
Publication number
20220372388
Publication date
Nov 24, 2022
Evonik Operations GmbH
Stefan Karl Maier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ACRYLATE-OLEFIN COPOLYMERS AS HIGH VISCOSITY BASE FLUIDS
Publication number
20220195091
Publication date
Jun 23, 2022
Evonik Operations GmbH
Stefan Karl Maier
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
COMB POLYMERS FOR IMPROVING NOACK EVAPORATION LOSS OF ENGINE OIL FO...
Publication number
20200224116
Publication date
Jul 16, 2020
Evonik Operations GmbH
Katrin Schöller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LUBRICANT COMPOSITION WITH AN IMPROVED VISCOSITY CHARACTERISTIC AT...
Publication number
20190300808
Publication date
Oct 3, 2019
Evonik Oil Additives GmbH
Ronny Sondjaja
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FUNCTIONAL POLYALKYL (METH)ACRYLATES WITH ENHANCED DEMULSIBILITY PE...
Publication number
20190203147
Publication date
Jul 4, 2019
Evonik Oil Additives GmbH
Stefan MAIER
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
COMB POLYMERS FOR IMPROVING NOACK EVAPORATION LOSS OF ENGINE OIL FO...
Publication number
20190203148
Publication date
Jul 4, 2019
Evonik Oil Additives GmbH
Katrin Schöller
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
USE OF POLYCLYCERIN ESTERS AS FRICTION MODIFIERS IN LUBRICANT FORMU...
Publication number
20180216023
Publication date
Aug 2, 2018
Evonik Oil Additives GmbH
Stefan MAIER
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HYDRAULIC FLUIDS IN PLASTIC INJECTION MOLDING PROCESSES
Publication number
20170218295
Publication date
Aug 3, 2017
Evonik Oil Additives GmbH
Frank Lauterwasser
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...