Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739173 | Preparation of flame-resistant soft polyurethane foams of reduced smoke density, and melamine/expandable graphite/polyether-polyol dispersions for this purpose | Heinz-Dieter Lutter, Ruth Zschiesche, Volker Hasse, Karl Fimmel | 1998-04-14 |