Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506039 | Process for the production of polymer-containing aromatic polyether polyamines | Gerhard Balle, Werner Rasshofer | 1985-03-19 |
| 4379856 | Polyurethane foam molding with zones of different indentation hardness and a process for its production | Reinhard Samaritter, Robert Volland | 1983-04-12 |