Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597927 | Two-stage process for the preparation of thermoplastic polyurethane elastomers | Gerhard Zeitler, Frank Werner, Gerhard Bittner, Karl-Heinz Baumann, Artur Roeber +2 more | 1986-07-01 |
| 4334033 | Process for the manufacture of polyurethane elastomers | Otmar Zipp, Heinz Bollmann | 1982-06-08 |
| 4279517 | Mixing apparatus for chemically reacting fluid components, particularly polyurethane-forming components | Josef Wallner | 1981-07-21 |