Jochen Praefke

Person

Oer-Erkenschwick, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing ethyl tert-butyl ether from technical mixture...
- Patent number 8,269,050
- Issue date Sep 18, 2012
- Evonik Oxeno GmbH
- Jochen Praefke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 1-butene from technical mixtures of C4 hydroc...
- Patent number 7,932,428
- Issue date Apr 26, 2011
- Evonik Oxeno GmbH
- Armin Rix
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for fine purification of 1-butenic streams
- Patent number 7,737,318
- Issue date Jun 15, 2010
- Evonik Oxeno GmbH
- Silvia Santiago-Fernandez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing ethyl tert-butyl ether using ethanol dewatere...
- Patent number 7,473,808
- Issue date Jan 6, 2009
- Oxeno Olefinchemie GmbH
- Armin Rix
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing butene oligomers and tert-butyl ethers from C4...
- Patent number 7,473,812
- Issue date Jan 6, 2009
- Oxeno Olefinchemie GmbH
- Udo Peters
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for dewatering ethanol
- Patent number 7,399,892
- Issue date Jul 15, 2008
- Oxeno Olefinchemie GmbH
- Armin Rix
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of highly pure methyl tert-butyl ether
- Patent number 7,304,188
- Issue date Dec 4, 2007
- Oxeno Olefinchemie GmbH
- Fritz Obenaus
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS
- Publication number 20100144998
- Publication date Jun 10, 2010
- OXENO Olefinchemie GmbH
- Silvia SANTIAGO-FERNANDEZ
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS
- Publication number 20080021255
- Publication date Jan 24, 2008
- OXENO Olefinchemie GmbH
- Silvia Santiago-Fernandez
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ETHYL TERT-BUTYL ETHER FROM TECHNICAL MIXTURE...
- Publication number 20070203369
- Publication date Aug 30, 2007
- OXENO Olefinchemie GmbH
- Jochen Praefke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR DEWATERING ETHANOL
- Publication number 20070173670
- Publication date Jul 26, 2007
- OXENO Olefinchemie GmbH
- Armin RIX
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing 1-butene from technical mixtures of C4 hydroc...
- Publication number 20070149839
- Publication date Jun 28, 2007
- Degussa AG
- Armin Rix
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Preparation of highly pure methyl tert-butyl ether
- Publication number 20060264681
- Publication date Nov 23, 2006
- OXENO Olefinchemie GmbH
- Fritz Obenaus
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing butene oligomers and tert-butylethers from c4...
- Publication number 20060122444
- Publication date Jun 8, 2006
- Udo Peters
- C07 - ORGANIC CHEMISTRY

Jochen Praefke

Person

Patents Grantslast 30 patents

Process for preparing ethyl tert-butyl ether from technical mixture...

Process for preparing 1-butene from technical mixtures of C4 hydroc...

Process for fine purification of 1-butenic streams

Process for preparing ethyl tert-butyl ether using ethanol dewatere...

Method for producing butene oligomers and tert-butyl ethers from C4...

Process for dewatering ethanol

Preparation of highly pure methyl tert-butyl ether

Patents Applicationslast 30 patents

PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS

PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS

PROCESS FOR PREPARING ETHYL TERT-BUTYL ETHER FROM TECHNICAL MIXTURE...

PROCESS FOR DEWATERING ETHANOL

Process for preparing 1-butene from technical mixtures of C4 hydroc...

Preparation of highly pure methyl tert-butyl ether

Method for producing butene oligomers and tert-butylethers from c4...