Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064908 | Oxidized polyethylene and use as lubricant for polyvinylchloride | Ludwig Schuster, Albert Hettche, Werner Liedy, Stefan Weiss | 1991-11-12 |
| 4889897 | Oxidation of polyethylene | Ludwig Schuster, Albert Hettche, Werner Liedy, Stefan Weiss | 1989-12-26 |