Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021508 | Thermoplastic molding materials consisting of polyesters and polycarbonates and having a good low-temperature impact strength | Christof Taubitz, Hans-Henning Hub, Walter Ziegler | 1991-06-04 |
| 4880876 | Thermoplastic polyester molding materials having low-temperature impact strength | Hans-Henning Hub, Georg N. Simon, Gerhard Heinz, Walter Ziegler | 1989-11-14 |
| 4431794 | Continuous preparation of oxymethylene polymers | Manfred Walter, Klaus Hinselmann | 1984-02-14 |