Sarah LIPPERT

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polyalkyl (meth)acrylate polymers
- Patent number 12,065,526
- Issue date Aug 20, 2024
- 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 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
Viscosity index improvers with defined molecular weight distributions
- Patent number 10,731,097
- Issue date Aug 4, 2020
- Evonik Operations GmbH
- Katrin Schöller
- 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 10,633,610
- Issue date Apr 28, 2020
- Evonik Operations GmbH
- Katrin Schöller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for the preparation of polyalkyl (meth)acrylate polymers
- Publication number 20230174695
- Publication date Jun 8, 2023
- Evonik Operations GmbH
- Katrin Schöller
- 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
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
Viscosity Index Improvers with defined Molecular Weight Distributions
- Publication number 20190071615
- Publication date Mar 7, 2019
- Evonik Oil Additives GmbH
- Katrin SCHÖLLER
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...