Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097751 | Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines | Daniel Koch, Spotswood Miller, Ricardo Serra, Dietmar Wastian, Jurgen Kirsch | 2012-01-17 |
| 7517829 | Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds | Joachim Zechlin, Hans Warlimont | 2009-04-14 |
| 7456303 | Catalyst | Markus Weisbeck, Marie-Therese Heinen, Jorg Schmitt, Markus Dugal | 2008-11-25 |
| 7271116 | Catalyst | Markus Weisbeck, Marie-Therese Heinen, Jorg Schmitt, Markus Dugal | 2007-09-18 |
| 6995113 | Catalysts which are based on organic-inorganic hybrid materials containing noble metals and titanium and which are used for selectively oxidizing hydrocarbons | Markus Weisbeck, Georg Wiessmeier, Peter Vogtel | 2006-02-07 |
| 6770765 | Catalyst | Markus Weisbeck, Marie-Therese Heinen, Jorg Schmitt, Markus Dugal | 2004-08-03 |
| 6753287 | Sol-gel hybrid materials containing precious metals as catalysts for partial oxidation of hydrocarbons | Markus Weisbeck, Christoph Schild, Georg Wiessmeier | 2004-06-22 |
| 6737554 | Process for the production of a dinitronaphthalene isomer mixture with a high proportion of 1,5-dinitronaphthalene | Matthias Brandt, Stephan Klein | 2004-05-18 |
| 6734133 | Surface-modified mixed oxides containing precious metal and titanium, for the selective oxidation of hydrocarbons | Markus Weisbeck, Christoph Schild, Georg Wiessmeier | 2004-05-11 |
| 6706902 | Continuous process for the synthesis of nano-scale precious metal particles | Martin Sturmann, Markus Weisbeck, Frank Zbrozek | 2004-03-16 |
| 6649798 | Method for production of diaminodiphenylmethanes | Stephan Klein, Dirk Grotjohann, Christine Mendoza-Frohn, Daniel Koch, Heinz Muller +2 more | 2003-11-18 |
| 6603028 | Method for oxidizing hydrocarbons | Markus Weisbeck, Ernst-Ulrich Dorf, Christoph Schild | 2003-08-05 |
| 6548682 | Method for the direct catalytic oxidation of unsaturated hydrocarbons in gaseous phase | Markus Weisbeck, Ernst-Ulrich Dorf, Christoph Schild, Bernhard Lucke, Herbert Dilcher +1 more | 2003-04-15 |
| 6538158 | Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminoNaphthalene | Joachim Zechlin, Lothar Duda, Andreas Hoffmann, Bodo Temme | 2003-03-25 |
| 6504040 | Integrated method for producing epoxides from olefins | Peter Vogtel, Ernst-Ulrich Dorf, Markus Weisbeck | 2003-01-07 |
| 6504039 | Supported catalyst and the process for preparing the same | Markus Weisbeck, Ernst-Ulrich Dorf, Christoph Schild, Bernhard Lucke, Herbert Dilcher +1 more | 2003-01-07 |
| 6395934 | Raney nickel catalysts, a method for producing said raney nickel catalysts and the use of the same for hydrogenating organic compounds | Eckart Waldau, Bernd Pennemann, Bodo Temme, Hans Warlimont, Uta Kühn | 2002-05-28 |
| 6271414 | Process for the isomeric separation of isocyanates | Rudiger Drope, Dieter Grenner, Hartmut Hetzel, Hans-Peter Schal | 2001-08-07 |
| 6242656 | Method for producing a dinitronaphthalene-isomer mixture having a high 1,5-dinitronaphthalene proportion | Christian Steinlein | 2001-06-05 |
| 4761498 | Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process | Hartmut Knofel, Michael Brockelt | 1988-08-02 |
| 4698424 | Isocyanato-isocyanurate derivatives | Theodor Engbert, Hartmut Knofel | 1987-10-06 |
| 4405527 | Process for the preparation of polyisocyanates | Hartmut Knofel, Gunther Ellendt, Marcel Petinaux | 1983-09-20 |