Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10919654 | Sealing tool with recess and transition region | — | 2021-02-16 |
| 7638197 | Composite elements made from polyurethane materials having surfaces consisting of thermoplastic or metallic layers and a process for their production | Peter Haas, Dirk Wegener, Detlef Mies | 2009-12-29 |
| 7622542 | Plastic moldings from optionally filled polyurethanes and their use | Peter Haas, Dirk Wegener | 2009-11-24 |
| 6761953 | Laminated parts made of outer layers and polyurethane sandwich materials and their production | Peter Haas, Walter Guarnieri, Adolf Lammeck | 2004-07-13 |
| 6471905 | Internal release agents for producing polyurethane moulded bodies | Peter Haas | 2002-10-29 |
| 4732960 | Process for the production of new polyisocyanate compositions and their use for the production of plastics by the isocyanate polyaddition process | Werner Rasshofer, Joachim Probst | 1988-03-22 |
| 4703100 | Process for the production of polyisocyanates containing urea and/or biuret groups, preparations obtainable thereby and their use | Werner Rasshofer, Klaus Seel, Christian Weber | 1987-10-27 |
| 4677136 | Process for the production of polyisocyanate compositions containing urea and/or biuret groups, the polyisocyanate compositions obtained by this process, and their use for the production of plastics by the isocyanate polyaddition process | Werner Rasshofer | 1987-06-30 |
| 4608214 | Process for the production of optionally cellular moldings | Gerhard Balle, Werner Rasshofer | 1986-08-26 |
| 4587322 | Process for the production of urethane-modified polyisocyanate compositions using a hydantoin having two hydroxyl alkyl substituents | Werner Rasshofer | 1986-05-06 |
| 4581388 | Process for the production of urethane-modified polyisocyanate using an oxyalkylated bisphenol | Werner Rasshofer, Richard Kopp, Klaus Seel, Otto Ganster | 1986-04-08 |
| 4575518 | Homogeneous storage stable salt-containing mixture | Werner Rasshofer | 1986-03-11 |
| 4442236 | Process for the production of molded articles | Werner Rasshofer, Hermann Schafer, Josef Beuth | 1984-04-10 |
| 4418159 | Process for the production of polyurethanes and a storable intermediate product for carrying out this process | Werner Rasshofer, Richard Kopp | 1983-11-29 |