Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087409 | Production of rigid polyurethane foams | Bernhard Naber, Werner Schmiade | 2000-07-11 |
| 6069182 | Recycling of plastic waste containing a mixture of polyurethanes with other plastics | Bernhard Naber, Vera Neiss, Werner Deutsch | 2000-05-30 |
| 5968992 | Reduction of the amine content of recycled polyols | Bernhard Naber, Thomas Schupp, Sarbananda Chakrabarti | 1999-10-19 |
| 5357006 | Preparation of recyclate polyols, and the use thereof in the preparation of polyurethanes | Bernhard Naber, Vera Neiss, Peter Moeckel, Wolfgang Weissflog | 1994-10-18 |