Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356461 | Gas separation membrane | Robert Weinzenhofer, Alfons Leeb, Karl Bauer | 1994-10-18 |
| 5290448 | Polyacrylonitrile membrane | Jurgen Passlack, Harald Schmitt, Walter Loffelmann, Karl Henke | 1994-03-01 |