Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5817841 | Membrane process for argon purging from ethylene oxide reactors | Richard W. Baker, Douglas Gottschlich | 1998-10-06 |
| 5779763 | Process for recovering semiconductor industry cleaning compounds | Ingo Pinnau, Johannes G. Wijmans, Zhenjie He, Richard W. Baker | 1998-07-14 |