Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576573 | Heating a fixed-bed charge in a tube reactor, and an arrangement for carrying out the method | — | 1986-03-18 |
| 4567294 | Preparation of ammonium carbamate | Manfred Dressel, Heinrich Eberle, Willi Ripperger, Werner Zwick | 1986-01-28 |