Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858655 | High-resilient polyurethane foams produced from polyether polyols | Jörg Hofmann, Pramod Gupta, Manfred Dietrich, Jurgen Gronen, Pieter Ooms | 2005-02-22 |
| 5695689 | Polyether polyols stabilized with tocopherol | Pramod Gupta | 1997-12-09 |
| 5373029 | Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles | Manfred Naujoks, Klaus Konig, Manfred Schmidt, Hans-Walter Illger, Gunter Baatz | 1994-12-13 |
| 5286761 | Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles | Manfred Naujoks, Klaus Konig, Manfred Schmidt, Hans-Walter Illger, Gunter Baatz | 1994-02-15 |
| 5006599 | Use of 3,5-di-tert-butyl-4-hydroxyphenylpropionic acid for stabilizing polyether polyols | Pramod Gupta, Hans-Wilhelm Engels | 1991-04-09 |
| 4288566 | Process for the production of highly elastic foams containing urethane groups from polyethers, modified polyisocyanates and cross-linking agents | Hanns P. Muller, Kuno Wagner | 1981-09-08 |
| 4272619 | Process for the production of modified polyether polyols and their use in processes for the production of polyurethane plastics | Gerhard Balle, Peter Vehlewald | 1981-06-09 |
| 4216181 | Process for applying a layer of a liquid foamable reaction mixture to a continuously moving shaping support | Wilfried Ebeling, Volker Onnenberg, Alberto C. Gonzalez-Dorner, Bernd Lehmann, Klaus Schulte | 1980-08-05 |