Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800714 | Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups | Stephan Kohlstruk, Michael Ewald | 2004-10-05 |
| 6730628 | Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups | Stephan Kohlstruk, Michael Ewald | 2004-05-04 |