Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843105 | Process for the preparation of filler-containing, antionically modified polyurethane (urea) compositions, the polyurethane (urea) compositions so-obtained, and the use thereof | Artur Reischl | 1989-06-27 |
| 4576718 | Use of water-absorbing, highly-filled polyurethane (urea) compositions for biological treatment of waste-containing liquids | Artur Reischl | 1986-03-18 |
| 4287069 | Process for the improved working up of effluent | Artur Reischl, Friedhelm Sahlmen | 1981-09-01 |
| 4246104 | Pressure-hydrolytic treatment of effluent | Friedrich Schmidt, Hans-Rolf Furtwangler | 1981-01-20 |