Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410778 | Method of producing organic diurethanes and/or polyurethanes and their use in the production of di and/or polyisocyanates | Gerhard Laqua, Ulrich Schoner, Hans Volkmar Schwarz | 2002-06-25 |