Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851571 | Process for the production of isocyanates | Heinz Sauer, Hermann Dallmeyer, Uwe J. Zarnack, Bernd Weber | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851571 | Process for the production of isocyanates | Heinz Sauer, Hermann Dallmeyer, Uwe J. Zarnack, Bernd Weber | 1989-07-25 |