Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152742 | Separation process for carpets | Roland Donaj, Wolfgang Dilly-Louis, Rudolf Kampf, Reinhard Wolf | 2006-12-26 |
| 5869543 | Process for the synthesis of polyethylene carboxylate from polyethylene carboxylate waste | Frank-Rudiger Boos, Joachim Seelig | 1999-02-09 |