Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663122 | Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives | Heinz Mueller, Wolfgang Breuer, Claus-Peter Herold, Stephan von Tapavicza | 1997-09-02 |
| 5645811 | Process for the production of very fine-particle zeolitic alkali metal aluminum silicates | Rainer Salz, Gerhard Blasey | 1997-07-08 |