Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274659 | Method of manufacturing polyester granules with improved photochemical and thermal stability, and its application | Werner Vogt | 2001-08-14 |
| 5417908 | Process for the preparation of polyester, a polyester and its use | Roland Stahlin, Paul Gesche | 1995-05-23 |
| 5264282 | Polyamide filament, process for producing it and its use | Roland Stahlin | 1993-11-23 |