Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659009 | Production of filler-containing thermoplastic molding compositions and molding compositions obtainable in this way | Gunter Pipper, Walter Goetz, Claus Cordes, Guenter Mattern, Peter Hildenbrand +4 more | 1997-08-19 |
| 4578455 | Process and apparatus for removing volatile constituents from polymer melts or pastes | Gunter Pipper, Siegfried Riegger | 1986-03-25 |
| 4537949 | Continuous preparation of nylon with diamine recycling | Franz Schmidt, Gunter Pipper, Franz Zahradnik | 1985-08-27 |