Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8765009 | Process for preparing nitric acid with a concentration in the range from 50 to 77.8% by weight | Jan-Martin Loening, Stephanie Mollner, Joerg Torsten Nickel | 2014-07-01 |
| 7078574 | Method for the intrinsically safe handling of 3-chloropropyne | Armin Stamm, Stefan Rittinger, Peter Dransfeld, Hans-Peter Schildberg, Manfred Heilig +1 more | 2006-07-18 |
| 7074922 | Method for producing the tautomeric form of (1) of 2,4,6-trianilino-p-(carbo-1′-ethylhexyl-1′oxyl)-1, 3, 5-triazine | Helmut Gumbel, Rainer Becker, Gerhard Bertlein, Michael Drogemuller | 2006-07-11 |
| 6794530 | Process for making &ggr;-alkoxyamines | Wolfgang Friedrich, Karsten Eller, Andreas Henne, Rolf Lebkucher | 2004-09-21 |
| 6770783 | Method for producing acid chlorides | Ralph Busch, Theodor Weber, Winfried Müller, Armin Stamm, Jochem Henkelmann | 2004-08-03 |
| 6734322 | Method for producing o-chloromethyl benzenecarbonyl chlorides | Armin Stamm, Roland Götz, Norbert Gotz, Jochem Henkelmann, Bernd Wolf | 2004-05-11 |
| 6727384 | Method for purifying acid chlorides | Ralph Busch, Theodor Weber, Winfried Müller, Armin Stamm, Jochem Henkelmann | 2004-04-27 |
| 6683204 | Method for producing monoisocyanates and oligoisocyanates | Armin Stamm, Lucien Thil, Jochem Henkelmann | 2004-01-27 |
| 6225507 | Method of preparing aldehydes by hydroformylation with a rhodium catalyst and recovery of the rhodium catalyst by extraction | Bernhard Giessler, Michael Roper, Rocco Paciello, Knut Oppenlander, Wolfgang H. H. Gunther | 2001-05-01 |
| 6166207 | Preparation of bicyclic amidines and diazacycloalkenes | Wolfgang Friedrich, Karsten Eller, Tom Witzel | 2000-12-26 |
| 6153784 | Removal of halides from halide-containing nitrile mixtures | Hans-Jurgen Weyer, Horst Neuhauser, Johann-Peter Melder, Andreas Henne, Karl-Heinz Ross +1 more | 2000-11-28 |
| 6111141 | Preparation of N-ethyldiisopropylamine | Karsten Eller, Bernd Fiege, Andreas Henne | 2000-08-29 |
| 6107524 | Process for producing aldehydes by hydroformylation of olefins | Rocco Paciello, Bernhard Geissler, Michael Roper | 2000-08-22 |
| 6099602 | Fuel or lubricant compositions containing secondary polyisobutene amines | Michael Roper, Bernhard Geissler, Ernst Langguth | 2000-08-08 |
| 6063939 | Process for preparing unsaturated cyclic ethers | Carsten Groning, Michael Hesse, Daniel Heineke, Gerhard Fritz | 2000-05-16 |
| 6020441 | Hydroformylation of ethylenically unsaturated polymers in aqueous dispersion | Edgar Zeller, Hartmann F. Leube, Bernhard Schlarb, Michael Roper | 2000-02-01 |
| 5952262 | Preparation of aromatic or heteroaromatic nitriles | Lothar Karrer, Frank-Friedrich Pape, Michael Hullmann | 1999-09-14 |
| 5919987 | Preparation of alcohols and/or aldehydes | Maik Aron, Frank-Michael Korgitzsch, Michael Nilles, Wolfgang Harder, Michael Roper +1 more | 1999-07-06 |
| 5895816 | Preparation of alkylamines | Rolf Lebkucher, Horst Neuhauser, Andreas Henne, Rainer Becker | 1999-04-20 |
| 5747411 | Supported catalysts which are suitable for ammonoxidation | Lothar Karrer, Frank-Friedrich Pape, Ulrich Kohler, Rainer Becker, Peter Weidlich +1 more | 1998-05-05 |
| 5723680 | Preparation of aldehydes | Claudius Kormann | 1998-03-03 |
| 5717126 | Phosphorous-containing calixarenes | Rocco Paciello, Michael Roper, Ernst Langguth, Peter Michael Lorz | 1998-02-10 |
| 5696297 | Preparation of aldehydes | Rocco Paciello, Michael Roper | 1997-12-09 |
| 5689010 | Preparation of higher aldehydes | Rocco Paciello, Franz Merger, Michael Roper | 1997-11-18 |
| 5679868 | Preparation of glutaric dialdehyde | Rainer Becker, Eugen Gehrer, Juergen Schossig, Andreas Henne | 1997-10-21 |