Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670051 | Olefin separation membrane and process | Ingo Pinnau, Carlos Casillas | 1997-09-23 |
| 5630970 | Process for restoring membrane permeation properties | Ingo Pinnau, Carlos Casillas | 1997-05-20 |