Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210803 | Method for the production of a granulate for hemodialysis | Wendelin Backhaus, Peter Hilgers, Joachim Manke, Hamadi El-Ayari | 2001-04-03 |
| 5064908 | Oxidized polyethylene and use as lubricant for polyvinylchloride | Ludwig Schuster, Albert Hettche, Stefan Weiss, Leo Ehemann | 1991-11-12 |
| 4889897 | Oxidation of polyethylene | Ludwig Schuster, Albert Hettche, Stefan Weiss, Leo Ehemann | 1989-12-26 |