Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590098 | Method of preparing aliphatic polyisocyanates with uretdione, isocyanurate and iminooxadiazindione structures | Frank Richter, Jürgen Köcher, Hans-Josef Laas | 2003-07-08 |