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Marl, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the energy-efficient production of alkali metal alkoxides
Patent number
12,180,141
Issue date
Dec 31, 2024
Evonik Operations GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for separating butenes from C4 hydrocarbon streams, with sub...
Patent number
11,964,940
Issue date
Apr 23, 2024
EVONIK OXENO GMBH & CO. KG
Philip Lutze
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preventing three-phase separation of butenes from C4 hyd...
Patent number
11,958,791
Issue date
Apr 16, 2024
EVONIK OXENO GMBH & CO. KG
Philip Lutze
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Energy-efficient process for removing butenes from C4-hydrocarbon s...
Patent number
11,945,777
Issue date
Apr 2, 2024
EVONIK OXENO GMBH & CO. KG
Philip Lutze
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for the simultaneous production of sodium and potassium alco...
Patent number
11,746,075
Issue date
Sep 5, 2023
Evonik Functional Solutions GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the energy-efficient production of alkali metal alkoxides
Patent number
11,661,388
Issue date
May 30, 2023
Evonik Functional Solutions GmbH
Dirk Roettger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for the energy-efficient production of sodium and potassium...
Patent number
11,634,372
Issue date
Apr 25, 2023
Evonik Functional Solutions GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Extractive distillation column system and the use thereof in the se...
Patent number
11,629,109
Issue date
Apr 18, 2023
Evonik Operations GmbH
Philip Lutze
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the oligomerization of olefins with control of the olig...
Patent number
11,434,182
Issue date
Sep 6, 2022
Evonik Operations GmbH
Guido Stochniol
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for oligomerization of olefins with optimized distillation
Patent number
11,332,421
Issue date
May 17, 2022
Evonik Operations GmbH
Stephan Peitz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for oligomerization of olefins with optimized distillation
Patent number
11,254,631
Issue date
Feb 22, 2022
Evonik Operations GmbH
Stephan Peitz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for inhibiting oligomerization of C3- to C5-olefins
Patent number
11,254,625
Issue date
Feb 22, 2022
Evonik Operations GmbH
Stephan Peitz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR THE ENERGY-EFFICIENT PREPARATION OF ALKALI METAL ALCOHO...
Publication number
20240308942
Publication date
Sep 19, 2024
Evonik Operations GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR WORKUP OF A METHANOL/WATER MIXTURE IN THE PRODUCTION OF...
Publication number
20240279145
Publication date
Aug 22, 2024
Evonik Operations GmbH
Dirk ROETTGER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR REMOVING BUTENES FROM C4-HYDROCARBON STREAMS AND TWO-ST...
Publication number
20240059632
Publication date
Feb 22, 2024
Evonik Operations GmbH
Tanita Valèrie SIX
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ENERGY-EFFICIENT PROCESS FOR REMOVING BUTENES FROM C4-HYDROCARBON S...
Publication number
20240059633
Publication date
Feb 22, 2024
Evonik Operations GmbH
Philip Lutze
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREVENTING THREE-PHASE SEPARATION OF BUTENES FROM C4 HYD...
Publication number
20240034704
Publication date
Feb 1, 2024
Evonik Operations GmbH
Philip Lutze
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR SEPARATING BUTENES FROM C4 HYDROCARBON STREAMS, WITH SUB...
Publication number
20230391689
Publication date
Dec 7, 2023
Evonik Operations GmbH
Philip Lutze
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ENERGY-EFFICIENT PROCESS FOR REMOVING BUTENES FROM C4-HYDROCARBON S...
Publication number
20230391690
Publication date
Dec 7, 2023
Evonik Operations GmbH
Philip Lutze
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR THE ENERGY-EFFICIENT PRODUCTION OF SODIUM AND POTASSIUM...
Publication number
20230047252
Publication date
Feb 16, 2023
Evonik Functional Solutions GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE SIMULTANEOUS PRODUCTION OF SODIUM AND POTASSIUM ALCO...
Publication number
20230028559
Publication date
Jan 26, 2023
Evonik Functional Solutions GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Extractive distillation column system and the use thereof in the se...
Publication number
20220411352
Publication date
Dec 29, 2022
Evonik Operations GmbH
Philip Lutze
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the energy-efficient production of alkali metal alkoxides
Publication number
20220340508
Publication date
Oct 27, 2022
Evonik Functional Solutions GmbH
Dirk Roettger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the energy-efficient production of alkali metal alkoxides
Publication number
20220340509
Publication date
Oct 27, 2022
Evonik Functional Solutions GmbH
Dirk Roettger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR OLIGOMERIZATION OF OLEFINS WITH OPTIMIZED DISTILLATION
Publication number
20210053891
Publication date
Feb 25, 2021
Evonik Operations GmbH
Stephan Peitz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR OLIGOMERIZATION OF OLEFINS WITH OPTIMIZED DISTILLATION
Publication number
20210053892
Publication date
Feb 25, 2021
Evonik Operations GmbH
Stephan Peitz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for inhibiting oligomerization of C3- to C5-olefins
Publication number
20200361834
Publication date
Nov 19, 2020
Evonik Operations GmbH
Stephan Peitz
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the oligomerization of olefins with control of the olig...
Publication number
20200361835
Publication date
Nov 19, 2020
Evonik Operations GmbH
Guido Stochniol
C07 - ORGANIC CHEMISTRY