Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592803 | Device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions | Ben Damman, Jan Drijver, Hans Scheffer, Jaap Stam, Paul de Witte | 1986-06-03 |
| 4501639 | Process and device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions | Ben Damman, Jan Drijver, Hans Scheffer, Jaap Stam, Paul de Witte | 1985-02-26 |