Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383957 | Multistage cascade sweep-process for membrane gas separation | Christian Barbe | 1995-01-24 |
| 5240471 | Multistage cascade-sweep process for membrane gas separation | Christian Barbe | 1993-08-31 |