Roettger; Dirk

Patent Applications and Registrations

Patent applications and USPTO patent grants for Roettger; Dirk.The latest application filed is for "method for purification of mixtures comprising mtbe as well as production of isobutene by splitting of mixtures comprising mtbe".

Company Profile

0.29.18

Roettger; Dirk - Cologne N/A DE
Roettger; Dirk - Antwerpen N/A BE
Roettger; Dirk - Antwerp N/A BE
Roettger; Dirk - Koeln DE
Roettger; Dirk - Recklinghausen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Preparation of isobutene by dissociation of MTBE Grant 8,940,951 - Winterberg , et al. January 27, 2	2015-01-27
Process for regenerating a catalyst Grant 8,877,667 - Boeing , et al. November 4, 2	2014-11-04
Method for purification of mixtures comprising MTBE as well as production of isobutene by splitting of mixtures comprising MTBE Grant 8,841,492 - Winterberg , et al. September 23, 2	2014-09-23
Method for producing dienes by hydrodimerization Grant 8,722,953 - Brehme , et al. May 13, 2	2014-05-13
Process for preparing isobutene by cleaving MTBE-containing mixtures Grant 8,633,345 - Winterberg , et al. January 21, 2	2014-01-21
Method For Purification Of Mixtures Comprising Mtbe As Well As Production Of Isobutene By Splitting Of Mixtures Comprising Mtbe App 20130303806 - Winterberg; Markus ; et al.	2013-11-14
Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons Grant 8,269,050 - Praefke , et al. September 18, 2	2012-09-18
Process For Regenerating A Catalyst App 20120149549 - Boeing; Christian ; et al.	2012-06-14
Preparation Of Isobutene By Dissociation Of Mtbe App 20120142985 - Winterberg; Markus ; et al.	2012-06-07
Method for the telomerization of non-cyclic olefins Grant 7,977,520 - Borgmann , et al. July 12, 2	2011-07-12
Process For Preparing Isobutene By Cleaving Mtbe-containing Mixtures App 20110118523 - Winterberg; Markus ; et al.	2011-05-19
Method for the production of metal complexes Grant 7,758,897 - Roettger , et al. July 20, 2	2010-07-20
Process for fine purification of 1-butenic streams Grant 7,737,318 - Santiago-Fernandez , et al. June 15, 2	2010-06-15
Process For Fine Purification Of 1-butenic Streams App 20100144998 - SANTIAGO-FERNANDEZ; Silvia ; et al.	2010-06-10
Method for the telomerization of non-cyclic olefins Grant 7,645,914 - Borgmann , et al. January 12, 2	2010-01-12
Method For Producing Dienes By Hydrodimerization App 20090287032 - Brehme; Volker ; et al.	2009-11-19
Method for the telomerisation of non-cyclic olefins Grant 7,541,506 - Roettger , et al. June 2, 2	2009-06-02
Method For The Telomerization Of Non-cyclic Olefins App 20090054710 - Borgmann; Cornelia ; et al.	2009-02-26
Method for producing butene oligomers and tert-butyl ethers from C.sub.4 flows containing isobutene Grant 7,473,812 - Peters , et al. January 6, 2	2009-01-06
Method for the production of 2,7-octadienyl derivatives Grant 7,462,745 - Nierlich , et al. December 9, 2	2008-12-09
Method for producing 1-olefins using palladium carbene compounds Grant 7,371,909 - Beller , et al. May 13, 2	2008-05-13
Method for producing 1-octene from crack-C.sub.4 Grant 7,368,621 - Krissmann , et al. May 6, 2	2008-05-06
Method for producing 1-olefins by catalytically splitting 1-alkoxyalkanes Grant 7,342,144 - Kaizik , et al. March 11, 2	2008-03-11
Process For Fine Purification Of 1-butenic Streams App 20080021255 - Santiago-Fernandez; Silvia ; et al.	2008-01-24
Method for separation of substances by extraction or by washing them with ionic liquids Grant 7,304,200 - Roettger , et al. December 4, 2	2007-12-04
Process for preparing 1-butene from technical mixtures of C4 hydrocarbons App 20070149839 - Rix; Armin ; et al.	2007-06-28
Phosphinine compounds and metal complexes thereof Grant 7,217,828 - Selent , et al. May 15, 2	2007-05-15
Process for the oligomerization of butenes App 20060264686 - Kerker; Lothar ; et al.	2006-11-23
Method for the production of 1-octene by reductive telomerisation Grant 7,115,790 - Beller , et al. October 3, 2	2006-10-03
N-phenyl-pyrrol bisphosphane compounds and the metal complexes of the same Grant 7,109,346 - Beller , et al. September 19, 2	2006-09-19
Method for producing butene oligomers and tert-butylethers from c4 flows containing isobutene App 20060122444 - Peters; Udo ; et al.	2006-06-08
Method for separation of substances by extraction or by washing them with ionic liquids App 20050090704 - Roettger, Dirk ; et al.	2005-04-28
Novel phosphinine compounds and metal complexes thereof App 20050043279 - Selent, Detlef ; et al.	2005-02-24
Process for the preparation of aldehydes from olefins by hydroformylation App 20030144559 - Hess, Dieter ; et al.	2003-07-31
Stabilizing rhodium catalysts for the hydroformylation of olefins Grant 6,500,991 - Wiese , et al. December 31, 2	2002-12-31
Process for the catalytically carrying out multiphase reactions, in particular hydroformylations Grant 6,492,564 - Wiese , et al. December 10, 2	2002-12-10
Multistage process for the preparation of oxo aldehydes and/or alcohols Grant 6,482,992 - Scholz , et al. November 19, 2	2002-11-19
Novel bisphosphite compounds and their metal complexes App 20020111487 - Roettger, Dirk ; et al.	2002-08-15
Process for the catalytic preparation of aldehydes from olefins using ligand mixtures Grant 6,403,837 - Hess , et al. June 11, 2	2002-06-11
Stabilizing rhodium catalysts for the hydroformylation of olefins App 20020065437 - Wiese, Klaus-Diether ; et al.	2002-05-30
Multistage process for the preparation of oxo aldehydes and/or alcohols App 20020028974 - Scholz, Bernhard ; et al.	2002-03-07