Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847408 | Process for the preparation of (cyclo)aliphatic diisocyanates | Hans-Georg Frosch, Heinrich Grave, Herbert Stutz, Peter Fuhrmann | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847408 | Process for the preparation of (cyclo)aliphatic diisocyanates | Hans-Georg Frosch, Heinrich Grave, Herbert Stutz, Peter Fuhrmann | 1989-07-11 |