Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434321 | Flame-retardant polyurethane rigid foams | Hartmut Nefzger, Urs Rauwald | 2022-09-06 |
| 11352462 | Flame-retarded rigid polyurethane foams | Hartmut Nefzger, Markus Meuresch, Aurel Wolf | 2022-06-07 |