Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777104 | Rigid polyurethane foams with high acoustic absorption | Lutz Boehnke, Rolf Albach, Jun Li, Ling Shi | 2017-10-03 |
| 9296856 | Rigid polyurethane foams with uniform cell size distribution and homogeneous open-cell content | Lutz Böhnke, Rolf Albach | 2016-03-29 |