Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776892 | Process for treating water with a counter-current ion exchange unit including silica and boron concentatration monitoring and regeneration thereof | — | 2017-10-03 |
| 6123851 | Process for treating semiconductor fabrication reclaim | Philippe Rychen, Thomas Kleiber | 2000-09-26 |
| 5376253 | Apparatus for the continuous electrochemical desalination of aqueous solutions | Philippe Rychen, Samuel Alonso, Hans P. Alt | 1994-12-27 |