Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360931 | Continuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanates | Wilhelm Heitmann, Peter Kirchner, Hans-Werner Michalczak | 1994-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360931 | Continuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanates | Wilhelm Heitmann, Peter Kirchner, Hans-Werner Michalczak | 1994-11-01 |