Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017376 | Delayed hydrolysis of metal phosphides | Wolfgang Friemel, Volker Barth | 1991-05-21 |
| 4894230 | Delayed hydrolysis of metal phosphides | Wolfgang Friemel, Volker Barth | 1990-01-16 |