Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803483 | Process for the purification of mixtures of toluenediisocyanate | Heinrich Lokum, Hermann Dallmeyer, Wilhelm Hagen | 2004-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803483 | Process for the purification of mixtures of toluenediisocyanate | Heinrich Lokum, Hermann Dallmeyer, Wilhelm Hagen | 2004-10-12 |