Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007870 | Plasma-sprayed layers of aluminum oxide | Yi Deng, Monilca Oswald, Rolf Clasen, Georg Fehringer | 2011-08-30 |
| 7887923 | Plasma-sprayed layers of aluminium oxide | Yi Deng, Monika Oswald, Rolf Clasen, Georg Fehringer | 2011-02-15 |
| 7780937 | Granules based on pyrogenically prepared silicon dioxide, method for their preparation and use thereof | Jurgen Meyer, Monika Oswald | 2010-08-24 |
| 7700034 | Slip containing zirconium dioxide and aluminum oxide and shaped body obtainable therefrom | Monika Oswald, Wolfgang Kollenberg, Dieter Nikolay | 2010-04-20 |
| 7465431 | Nanoscalar pyrogenically produced yttrium-zirconium mixed oxide | Stipan Katusic, Gunther Michael, Thomas Hennig, Susanne Reinhart, Andrea Tietze | 2008-12-16 |
| 7132157 | Layer obtained from an aqueous dispersion containing a silicon/titanium mixed oxide powder prepared by flame-hydrolysis | Monika Oswald, Helmut Mangold, Rolf Clasen, Markus Hornfeck | 2006-11-07 |
| 6890873 | Glass prepared from pyrogenically prepared silicon dioxide | Monika Oswald, Gerrit Schneider | 2005-05-10 |
| 6849114 | Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom | Monika Oswald, Helmut Mangold, Gerrit Schneider, Rolf Clasen, Markus Hornfeck | 2005-02-01 |
| 6796143 | Process for producing SiO2-TiO2 glasses having a low coefficient of thermal expansion | Rolf Clasen, Helmut Mangold, Gerrit Schneider, Christine Wagner | 2004-09-28 |
| 6679945 | Pyrogenically prepared silicon dioxide | Monika Oswald, Gerrit Schneider | 2004-01-20 |
| 6663851 | Surface-modified titanium dioxide | Dieter Kerner, Juergen Meyer | 2003-12-16 |
| 6455455 | Silicon-aluminum mixed oxide | Rainer Golchert, Dieter Kerner, Helmut Mangold | 2002-09-24 |
| 6319974 | Method for improving the stability of polymers | Helmut Mangold, Mario Scholz, Uwe Schachtely | 2001-11-20 |
| 5858906 | Compacts based on pyrogenically produced oxides | Helmfried Krause, Roland Burmeister | 1999-01-12 |
| 5776240 | Granules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereof | Helmfried Krause, Juergen Meyer, Dieter Kerner, Hans Lansink-Rotgerink, Werner Hartmann | 1998-07-07 |
| 5536694 | Catalyst precursor for an activated raney metal fixed-bed catalyst, an activated raney metal fixed-bed catalyst and a process for its preparation and use, and a method of hydrogenating organic compounds using said catalyst | Peter Schuetz, Roland Burmeister, Bertrand Despeyroux, Hans Moesinger, Helmfried Krause | 1996-07-16 |
| 5512529 | Catalyst for the selective hydrogenation of aromatic halonitro compounds to aromatic haloamines and a process for its production | Bertrand Despeyroux, Erik Peldszus, Beate Kleinwaechter | 1996-04-30 |
| 5498585 | Sulphidized catalyst which contains platinum on activated carbon | Karin Bartels, Bertrand Despeyroux, Jochen Simon | 1996-03-12 |
| 5498590 | Process for uniform and reproducible shell impregnation of fixed bed catalyst supports in the form of loose particles | Roland Burmeister, Bertrand Despeyroux | 1996-03-12 |
| 5466421 | Apparatus for the catalytic conversion of waste gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide | Hans Moesinger, Herbert Mueller, Josef Riedl, Wenzel Kuehn, Rudolf Spielmannleitner | 1995-11-14 |
| 5449655 | Process for preparing hydrogenation catalysts which contain noble metals on activated carbon | Peter Albers, Roland Burmeister, Bertrand Despeyroux | 1995-09-12 |
| 5395965 | Catalyst for the production of a glyoxylic acid by catalytic oxidation of glyoxal and method of its production | Roland Burmeister, Bertrand Despeyroux | 1995-03-07 |
| 5366938 | Shaped articles based on pyrogenically produced titanium dioxide | Bertrand Despeyroux, Helmfried Krause | 1994-11-22 |
| 5237019 | Metal-containing, shaped polymeric, tertiary and/or secondary organosiloxane amine compounds, method of their production and use | Stefan Wieland, Peter Panster, Bertrand Despeyroux | 1993-08-17 |
| 5231067 | Shaped articles based on pyrogenically produced titanium dioxide, method of their production and their use | Bertrand Despeyroux, Helmfried Krause | 1993-07-27 |