Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719115 | Coated enzyme preparation for detergents and cleaning formulations | Kathleen Paatz, Wilfried Raehse, Werner Pichler, Horst Upadek | 1998-02-17 |
| 5484531 | Process for the removal of inorganic salts | Manfred Biermann, Jochen Jacobs, Ansgar Behler | 1996-01-16 |
| 4963271 | Process for the separation and purification of cellulose ethers and cellulose derivatives | Wilfried Raehse, Willi Wuest | 1990-10-16 |
| 4908133 | Process for working up aqueous electrolyte-containing suspensions of highly swellable layer silicates | Willi Wuest | 1990-03-13 |
| 4886602 | Process for the separation of biotechnologically produced valuable materials from a fermenter broth by crossflow micro- and/or ultrafiltration | Wilfried Raehse, Franz-Josef Carduck | 1989-12-12 |
| 4751003 | Crossflow microfiltration process for the separation of biotechnologically produced materials | Wilfried Raehse, Franz-Josef Carduck | 1988-06-14 |
| 4728731 | Reactor and its use in polysaccharide ether production | Wilfried Raehse, Willi Wuest | 1988-03-01 |
| 4507474 | Process for highly substituted carboxyalkyl celluloses and mixed ethers thereof | Wilfried Raehse, Willi Wuest, Konrad Engelskirchen | 1985-03-26 |