Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758601 | Process for the production of polysiloxane ionomers, polysiloxane ionomers and their use for the production of cellular polyurethane elastomers | Peter Haas, Hans-Dieter Ruprecht | 1988-07-19 |
| 4447486 | Surface-sealed moldings of cellular polyurethane elastomers and a process for their production | Hans-Georg Hoppe | 1984-05-08 |
| 4350777 | Impermeable molded articles of cellular polyurethane elastomers produced with organofunctional polysiloxane-derivatives and their use as spring elements | Peter Haas, Hans-Georg Hoppe, Wolfgang Grimm | 1982-09-21 |