Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894167 | Process for removing heavy metal cations and/or alkali metal cations from aqueous solutions with an ion exchanger material | Wolfgang Holl, Siegfried Eberle | 1990-01-16 |
| 4894168 | Process for the removal of cations of an alkaline earth metal species from aqueous solutions with an ion exchanger material | Wolfgang Holl, Siegfried Eberle | 1990-01-16 |