Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7547807 | Method for producing phosphonium salts | Laszlo Szarvas, Harald Laas, Kai Michael Exner, Detlev Glas | 2009-06-16 |
| 7501522 | Method for the production of purified 1,3-substituted imidazolium salts | Matthias Maase | 2009-03-10 |
| 7368604 | Method for the production of acylphosphine oxides | Matthias Maase | 2008-05-06 |
| 7351339 | Method for the separation of acids from chemical reaction mixtures by means of ionic fluids | Matthias Maase, Klaus Halbritter, Ralf Noe, Michael Bartsch, Wolfgang Siegel +4 more | 2008-04-01 |
| 7319161 | Method for producing cyclohexane dicarboxylic acids and the derivatives thereof | Ralf Noe, Hartmut Hibst, Klaus Halbritter, Melanie Maas-Brunner, Boris Breitscheidel +5 more | 2008-01-15 |
| 7183360 | Method for crosslinking hydrogels with morpholine-2,3-diones | Thomas Daniel, Kai Michael Exner, Ulrich Riegel, Matthias Weismantel | 2007-02-27 |
| 6872377 | Preparation of hydrogen peroxide from hydrogen and oxygen | Martin Fischer, Thomas Butz | 2005-03-29 |
| 6548461 | Polyalkene alcohol polyetheramines and their use in fuels and lubricants | Knut Oppenlander, Wolfgang H. H. Gunther, Dietmar Posselt, Hans Peter Rath | 2003-04-15 |
| 6375920 | Process for the manufacture of hydrogen peroxide | Martin Fischer, Gerd Kaibel, Achim Stammer, Klemens Flick, Stefan Quaiser +1 more | 2002-04-23 |
| 6147227 | Process for preparing phthalides | Rainer Becker, Horst Neuhauser, Horst Zimmermann, Wolfgang Reif, Peter Cramers +1 more | 2000-11-14 |
| 6028204 | Process for preparing phthalides | Rainer Becker, Wolfgang Reif, Horst Neuhauser, Andreas Gieseler, Klaus Mundinger | 2000-02-22 |
| 6020501 | Process for preparing phthalides | Rainer Becker, Wolfgang Reif, Joachim Wulff-Doring | 2000-02-01 |
| 5969016 | Molded materials based on polycarbonates | Martin Weber, Robert A. Weiss, Norbert Güntherberg, Joachim Seibring, Guenther Zimmer | 1999-10-19 |
| 5969162 | Process for purifying phthalide | Wolfgang Reif, Horst Neuhauser | 1999-10-19 |
| 5939595 | Preparation of diarylethanes | Eugen Gehrer, Hermann Gausepohl, Martin Fischer, Christopher William Rieker, Lorenz Siggel | 1999-08-17 |
| 5866733 | Preparation of diarylethanes | Eugen Gehrer, Wolfgang Harder | 1999-02-02 |
| 5639880 | Preparation of amine oxides | Ulrich Müller, Karsten Eller, Michael Schulz | 1997-06-17 |
| 5502188 | Production of almost colorless solutions of n-methylmorpholine oxide | Gerd Konrad, Mark Sandison, Gregory E. Moffitt, Lawrence E. James, John Banger | 1996-03-26 |
| 5393874 | Preparation of N-hydroxy-N'-diazenium oxides | Martin Fischer | 1995-02-28 |