Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891420 | Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas | Wolfgang Martin, Hans H. Schuster, Chih-Peng Wen | 1990-01-02 |
| 4362682 | Chip-free staple fiber process | Gerald A. Berg, Hermann Buchert, Steve R. Duffy, Richard E. Harder, E. R. Higgs +3 more | 1982-12-07 |