Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743670 | Method of treating water with chlorine dioxide | Gerda Grund, Hartmut Rahtz | 2017-08-29 |
| 7886673 | Storage device | Rudolf Schomaker, Reinhold Trinczek | 2011-02-15 |
| 7845108 | Storage platform for storing and watering plants, and watering device | Rudolf Schomaker, Reinhold Trinczek | 2010-12-07 |
| 7398618 | Storage platform for storage and watering of plants and watering device | Rudolf Schomaker, Reinhold Trinczek | 2008-07-15 |
| 7395630 | Storage platform for storage and watering of plants and watering device | Rudolf Schomaker, Reinhold Trinczek | 2008-07-08 |
| 7386954 | Watering and transport device for plants | Rudolf Schomaker, Reinhold Trinczek | 2008-06-17 |
| 6657087 | Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides | Markus Weber, Christoph Schwarz, Uwe Tanger, Jochen Ullrich | 2003-12-02 |
| 6583326 | Process for separating phenol from a mixture comprising at least hydroxyacetone, cumene, water and phenol | Christoph Schwarz, Markus Weber, Uwe Tanger, Jochen Ullrich | 2003-06-24 |
| 6423858 | Manufacturing process for aminoalkyl silanes | Christoph Schwarz, Frank Kropfgans, Hartwig Rauleder | 2002-07-23 |
| 6242630 | Process for the continuous preparation of 3-halopropylorganosilanes | Stefan Bade, Uwe Schoen, John Burkhard, Franz-Michael Bollenrath, Norbert Hofmann +2 more | 2001-06-05 |
| 6094753 | Flush valve with partial-flush function | — | 2000-08-01 |
| 6006371 | Flush valve | — | 1999-12-28 |
| 5891410 | Process for the purification of an oxidation off gas | Rudolf Modic, Anton Schoengen, Johann H. Schroeder, Jorg Porschen | 1999-04-06 |
| 5869736 | Oxidation in the Witten-Hercules process for preparing dimethyl terephthalate | Stefan Jelko, Anton Schoengen, Gerhard Franz, Hans-Guenther Srebny, Thomas Jostmann +1 more | 1999-02-09 |
| 5679848 | Process for the preparation of terephthalic acid and its isomers | Anton Schoengen, Christoph Schwarz, Thomas Jostmann | 1997-10-21 |
| 5614159 | Process for the purification of an oxidation off gas with energy recovery | Rudolf Modic, Anton Schoengen, Johann H. Schroeder, J org Porschen | 1997-03-25 |
| 5338882 | Process for the production of DMT-intermediate product of specific purity and pure terephthalic acid | Anton Miletic, Hans U. Neutzler, Anton Schoengen, Johann H. Schroeder, Ralf Wirges | 1994-08-16 |
| 5286896 | Process for the production of DMT-intermediate product of specific purity | Anton Miletic, Hans U. Neutzler, Anton Schoengen, Johann H. Schroeder, Ralf Wirges | 1994-02-15 |
| 5277878 | Reactor for heterogeneous-phase reactions | Bernhard Piotrowski | 1994-01-11 |