Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7001973 | Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups | Stephan Kohlstruk, Michael Ewald, Rainer Lomoelder | 2006-02-21 |
| 6613863 | Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups | Stephan Kohlstruk, Michael Ewald, Rainer Lomoelder | 2003-09-02 |