Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238335 | Process for the preparation of hydrogen peroxide by the anthraquinone cyclic process | Eugen Staab, Jürgen Glenneberg | 2007-07-03 |
| 6106803 | Granulates which contain titanium silicalite-1 | Steffen Hasenzahl, Georg Markowz, Mathias Viandt, Eckehart Roland, Georg Thiele +1 more | 2000-08-22 |
| 5534149 | Method of separating catalyst-free working solution from the hydrogenation cycle of the anthraquinone method for the production of hydrogen peroxide | Hans Birkenbeil, Ulrich Brand, Wolfgang Kunkel | 1996-07-09 |
| 5286885 | Process for preparing glycide by epoxidation using polymeric organosiloxane ammonium salts of oxoacids of the elements V, Nb, Ta, Mo, and W | Peter G. Goetz, Stefan Wieland, Peter Panster, Rainer Siegmeier | 1994-02-15 |
| 4759921 | Method of preparing hydrogen peroxide | Wolfgang Kunkel, Jorg Kemnade | 1988-07-26 |
| 4349526 | Process for the production of hydrogen peroxide | Wolfgang Kunkel | 1982-09-14 |