Dirk Roettger

Person

Koeln, DE

People

Patents Grantslast 30 patents

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
Preparation of isobutene by dissociation of MTBE
- Patent number 8,940,951
- Issue date Jan 27, 2015
- Evonik Degussa GmbH
- Markus Winterberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for regenerating a catalyst
- Patent number 8,877,667
- Issue date Nov 4, 2014
- Evonik Degussa GmbH
- Christian Boeing
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purification of mixtures comprising MTBE as well as prod...
- Patent number 8,841,492
- Issue date Sep 23, 2014
- Evonik Degussa GmbH
- Markus Winterberg
- C07 - ORGANIC CHEMISTRY
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
Method for the telomerization of non-cyclic olefins
- Patent number 7,977,520
- Issue date Jul 12, 2011
- EVONIX OXENO GmbH
- Cornelia Borgmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of metal complexes
- Patent number 7,758,897
- Issue date Jul 20, 2010
- Evonik Oxeno GmbH
- Dirk Roettger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the telomerization of non-cyclic olefins
- Patent number 7,645,914
- Issue date Jan 12, 2010
- Evonik Oxeno GmbH
- Cornelia Borgmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the telomerisation of non-cyclic olefins
- Patent number 7,541,506
- Issue date Jun 2, 2009
- Oxeno Olefinchemie GmbH
- Dirk Roettger
- 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
Method for the production of 2,7-octadienyl derivatives
- Patent number 7,462,745
- Issue date Dec 9, 2008
- Oxeno Olefinchemie GmbH
- Franz Nierlich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1-olefins using palladium carbene compounds
- Patent number 7,371,909
- Issue date May 13, 2008
- Oxeno Olefinchemie GmbH
- Matthias Beller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1-octene from crack-C4
- Patent number 7,368,621
- Issue date May 6, 2008
- Oxeno Olefinchemie GmbH
- Joerg Krissmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1-olefins by catalytically splitting 1-alkoxya...
- Patent number 7,342,144
- Issue date Mar 11, 2008
- Oxeno Olefinchemie GmbH
- Alfred Kaizik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separation of substances by extraction or by washing the...
- Patent number 7,304,200
- Issue date Dec 4, 2007
- OXENO Olefinchemie GmbH
- Dirk Roettger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphinine compounds and metal complexes thereof
- Patent number 7,217,828
- Issue date May 15, 2007
- Oxeno Olefinchemie GmbH
- Detlef Selent
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of 1-octene by reductive telomerisation
- Patent number 7,115,790
- Issue date Oct 3, 2006
- Oxeno Olefinchemie GmbH
- Matthias Beller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-phenyl-pyrrol bisphosphane compounds and the metal complexes of t...
- Patent number 7,109,346
- Issue date Sep 19, 2006
- OXENO Olefinchemie GmbH & Co. KG
- Matthias Beller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilizing rhodium catalysts for the hydroformylation of olefins
- Patent number 6,500,991
- Issue date Dec 31, 2002
- Oxeno Olefinchemie GmbH
- Klaus-Diether Wiese
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the catalytically carrying out multiphase reactions, in...
- Patent number 6,492,564
- Issue date Dec 10, 2002
- Oxeno Olefinchemie GmbH
- Klaus-Diether Wiese
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage process for the preparation of oxo aldehydes and/or alco...
- Patent number 6,482,992
- Issue date Nov 19, 2002
- Oxeno Olefinchemie GmbH
- Bernhard Scholz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the catalytic preparation of aldehydes from olefins usi...
- Patent number 6,403,837
- Issue date Jun 11, 2002
- Oxeno Olefinchemie GmbH
- Dieter Hess
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 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
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
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
METHOD FOR PURIFICATION OF MIXTURES COMPRISING MTBE AS WELL AS PROD...
- Publication number 20130303806
- Publication date Nov 14, 2013
- Evonik Oxeno GmbH
- Markus Winterberg
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR REGENERATING A CATALYST
- Publication number 20120149549
- Publication date Jun 14, 2012
- Evonik Oxeno GmbH
- Christian Boeing
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION OF ISOBUTENE BY DISSOCIATION OF MTBE
- Publication number 20120142985
- Publication date Jun 7, 2012
- Evonik Oxeno GmbH
- Markus Winterberg
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE TELOMERIZATION OF NON-CYCLIC OLEFINS
- Publication number 20090054710
- Publication date Feb 26, 2009
- OXENO Olefinchemie GmbH
- Cornelia Borgmann
- 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 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
Process for the oligomerization of butenes
- Publication number 20060264686
- Publication date Nov 23, 2006
- OXENO Olefinchemie GmbH
- Lothar Kerker
- 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
Information Patent Application
Method for separation of substances by extraction or by washing the...
- Publication number 20050090704
- Publication date Apr 28, 2005
- Dirk Roettger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel phosphinine compounds and metal complexes thereof
- Publication number 20050043279
- Publication date Feb 24, 2005
- OXENO Olefinchemie GmbH
- Detlef Selent
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of aldehydes from olefins by hydroformy...
- Publication number 20030144559
- Publication date Jul 31, 2003
- DEGUSSA AG
- Dieter Hess
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel bisphosphite compounds and their metal complexes
- Publication number 20020111487
- Publication date Aug 15, 2002
- Dirk Roettger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Stabilizing rhodium catalysts for the hydroformylation of olefins
- Publication number 20020065437
- Publication date May 30, 2002
- Klaus-Diether Wiese
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage process for the preparation of oxo aldehydes and/or alco...
- Publication number 20020028974
- Publication date Mar 7, 2002
- OXENO Olefinchemie GmbH
- Bernhard Scholz
- C07 - ORGANIC CHEMISTRY

Dirk Roettger

Person

Patents Grantslast 30 patents

Method for the simultaneous production of sodium and potassium alco...

Process for the energy-efficient production of alkali metal alkoxides

Method for the energy-efficient production of sodium and potassium...

Preparation of isobutene by dissociation of MTBE

Process for regenerating a catalyst

Method for purification of mixtures comprising MTBE as well as prod...

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

Method for the telomerization of non-cyclic olefins

Method for the production of metal complexes

Method for the telomerization of non-cyclic olefins

Method for the telomerisation of non-cyclic olefins

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

Method for the production of 2,7-octadienyl derivatives

Method for producing 1-olefins using palladium carbene compounds

Method for producing 1-octene from crack-C4

Method for producing 1-olefins by catalytically splitting 1-alkoxya...

Method for separation of substances by extraction or by washing the...

Phosphinine compounds and metal complexes thereof

Method for the production of 1-octene by reductive telomerisation

N-phenyl-pyrrol bisphosphane compounds and the metal complexes of t...

Stabilizing rhodium catalysts for the hydroformylation of olefins

Process for the catalytically carrying out multiphase reactions, in...

Multistage process for the preparation of oxo aldehydes and/or alco...

Process for the catalytic preparation of aldehydes from olefins usi...

Patents Applicationslast 30 patents

PROCESS FOR THE ENERGY-EFFICIENT PREPARATION OF ALKALI METAL ALCOHO...

PROCESS FOR WORKUP OF A METHANOL/WATER MIXTURE IN THE PRODUCTION OF...

METHOD FOR THE ENERGY-EFFICIENT PRODUCTION OF SODIUM AND POTASSIUM...

METHOD FOR THE SIMULTANEOUS PRODUCTION OF SODIUM AND POTASSIUM ALCO...

Process for the energy-efficient production of alkali metal alkoxides

Process for the energy-efficient production of alkali metal alkoxides

METHOD FOR PURIFICATION OF MIXTURES COMPRISING MTBE AS WELL AS PROD...

PROCESS FOR REGENERATING A CATALYST

PREPARATION OF ISOBUTENE BY DISSOCIATION OF MTBE

METHOD FOR THE TELOMERIZATION OF NON-CYCLIC OLEFINS

PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS

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

Process for the oligomerization of butenes

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

Method for separation of substances by extraction or by washing the...

Novel phosphinine compounds and metal complexes thereof

Process for the preparation of aldehydes from olefins by hydroformy...

Novel bisphosphite compounds and their metal complexes

Stabilizing rhodium catalysts for the hydroformylation of olefins

Multistage process for the preparation of oxo aldehydes and/or alco...