Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958471 | Spray dried polyol composition and method of making | Eugen Schwarz, Gernot Moschl, Heinrich Nikolaus | 1999-09-28 |
| 5238663 | Nickel recovery process | Werner Vikari, Heinrich Nikolaus, Gunther Feldmann-Schlohbohm, Klaus Behne | 1993-08-24 |