Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497752 | Integrally asymmetrical polyolefin membrane | Erich Kessler, Thomas Batzilla, Friedbert Wechs | 2002-12-24 |
| 6409921 | Integrally asymmetrical polyolefin membrane for gas exchange | Marcus Müller, Erich Kessler, Ralf R. Hornscheidt, Armin Lang | 2002-06-25 |
| 6375876 | Method for producing an integrally asymmetrical polyolefin membrane | Erich Kessler, Thomas Batzilla, Friedbert Wechs | 2002-04-23 |