Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9670239 | Bisphosphites having an outer naphthyl-phenyl unit and a central 2,3′-biphenol unit | Robert Franke, Armin Boerner, Detlef Selent | 2017-06-06 |
| 9670585 | Electrochemical coupling of a phenol to a naphthol | Robert Franke, Dirk Fridag, Siegfried R. Waldvogel, Bernd Elsler | 2017-06-06 |
| 9650401 | Method for reducing the chlorine content of organobisphosphites | Robert Franke | 2017-05-16 |
| 9643987 | Monophosphites having an unsymmetric biaryl unit | Robert Franke, Detlef Selent, Armin Börner | 2017-05-09 |
| 9624153 | Two-stage hydroformylation process with circulating gas and SILP technology | Marc Becker, Robert Franke, Dirk Fridag, Hanna Hahn, Marina Lazar +2 more | 2017-04-18 |
| 9617290 | Bisphosphites having an outer naphthyl-phenyl unit | Robert Franke, Dirk Fridag, Armin Boerner, Detlef Selent | 2017-04-11 |
| 9610574 | Supported composition and the use thereof in methods for the hydroformylation of unsaturated compounds | Hanna Hahn, Robert Franke, Dirk Fridag, Marc Becker | 2017-04-04 |
| 9605010 | Monophosphite compounds having a methyl group | Robert Franke | 2017-03-28 |
| 9605011 | Monophosphite compounds having an ether group | Robert Franke | 2017-03-28 |
| 9556096 | Unsymmetric bisphosphite | Andrea Christiansen, Robert Franke, Dirk Fridag, Dieter Hess, Bernd Hannebauer | 2017-01-31 |
| 9517986 | Process for preparing 2,2′-biphenols using selenium dioxide | Robert Franke, Dirk Fridag, Siegfried R. Waldvogel, Thomas Quell, Michael Mirion | 2016-12-13 |
| 9499463 | Mixtures of constitutionally isomeric bisphosphites | Andrea Christiansen, Robert Franke, Dirk Fridag, Dieter Hess, Bernd Hannebauer | 2016-11-22 |
| 9409844 | Mixture of different asymmetrical bisophosphites and use thereof as a catalyst mixture in hydroformylation | Andrea Christiansen, Robert Franke, Dirk Fridag, Dieter Hess, Bernd Hannebauer | 2016-08-09 |
| 9272973 | Stable long-term method for producing C5-aldehydes | Dirk Fridag, Robert Franke, Dieter Hess, Markus Schwarz, Hans-Gerd Lueken +2 more | 2016-03-01 |
| 9221850 | Monophosphite ligands having a tert-butyloxycarbonyl group | Robert Franke, Dieter Hess, Dirk Fridag, Frank Geilen | 2015-12-29 |
| 9221851 | Mixture containing a monophosphite ligand and the use thereof for catalysis of a hydroformylation reaction | Robert Franke, Frank Geilen, Dieter Hess, Dirk Fridag | 2015-12-29 |
| 9217003 | Preparation of 6,6′-((3,3′-di-tert-butyl-5,5′-dimethoxy-[1,1′-biphenyl]-2,2′-diyl)bis(oxy))bis(2,4,8,10-tetramethyldibenzo[d,f][1,3,2]dioxaphosphepine) | Robert Franke | 2015-12-22 |
| 9212195 | Monophosphite ligands having a carbonate group | Robert Franke | 2015-12-15 |
| 9206105 | Mixture of bisphosphites and use thereof as a catalyst mixture in hydroformylation | Andrea Christiansen, Robert Franke, Dirk Fridag, Dieter Hess, Bernd Hannebauer | 2015-12-08 |