Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837189 | Surfactant modified metal catalysts | Helmut Simon | 1989-06-06 |
| 4749670 | Selective regeneration of mediators in the presence of a catalyst and surfactant | Helmut Simon | 1988-06-07 |