Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141636 | Method for producing a polymer | Jens Ehlers, Louis Wang | 2006-11-28 |
| 7049382 | Activated carbon filter | Jens Ehlers, Christiane Barth, Louis Wang | 2006-05-23 |
| 6770736 | Activated carbon filter | Jens Ehlers, Christiane Barth, Louis Wang | 2004-08-03 |
| 5977229 | Hydrophilically modified polyethylene resins | Christiane Barth, Jens Ehlers | 1999-11-02 |