Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721826 | Process for restoring or maintaining the activity of heterogeneous catalysts for reactions at normal and low pressures | Helmut Tiltscher, Helmut Wolf, Joachim Schelchshorn | 1988-01-26 |
| 4605811 | Process for restoring or maintaining the activity of heterogeneous catalysts for reactions at normal and low pressures | Helmut Tiltscher, Helmut Wolf, Joachim Schelchshorn | 1986-08-12 |