Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8691251 | Core-shell particles with a high content of glycerol, their production and use | Jorg Munzenberg | 2014-04-08 |
| 8333914 | Dry liquids, and processes for their preparation | Holger Pitsch, Josef Piroth, Thomas Riedemann, Ann Gray, Frank Dieter Huenig | 2012-12-18 |
| 7255735 | Surface-modified silicon dioxide-titanium dioxide mixed oxides | Jurgen Meyer, Kai Schumacher, Steffen Hasenzahl, Ann Gray | 2007-08-14 |
| 6432869 | Moldings including pyrogenic mixed oxide and the use thereof | Helmfried Krause, Hermanus Gerhardus Jozef Lansink Rotgerink, Thomas Tacke, Helmut Mangold, Manfred Fuchs | 2002-08-13 |
| 5959164 | Use of catalysts based on catalyst supports containing silicon dioxide for catalytic reactions under hydrothermal conditions | H. G. J. Lansink-Rotgerink, Thomas Tacke, Helmfried Krause, Andreas Freund, Roland Burmeister +1 more | 1999-09-28 |
| 5824825 | Phosphoric acid catalyst and its use | Hermanus Gerhardus Lansink-Rotgerink, Harald Hoecker, Stefan Wieland, Steffen Seebald | 1998-10-20 |
| 5789628 | Production of 2,2'-bis (4-hydroxyphenyl) propanes in the presence of organopolysiloxanes containing sulphonate and mercapto groups | Emmanuel Auer, Stefan Wieland, Hans Lansink-Rotgerink, Hauke Jacobsen | 1998-08-04 |