Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423777 | Powder coating cross-linking agents of high functionality which contain uretdione groups and free isocyanate groups | Hans-Josef Laas, Ulrich Freudenberg, Reinhard Halpaap | 2002-07-23 |