Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700374 | Pervaporation membranes and use thereof | Hartmut Bruschke | 1997-12-23 |
| 5611930 | Cellulose ester blend membranes, process for making same and their use | Quang Trong Nguyen, Jean M. L. N eel, Hartmut E. A. Br uschke | 1997-03-18 |