Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414184 | Process for producing polyisocyanates containing biuret groups from (cyclo)aliphatic diisocyanates | Bernd Bruchmann, Martin Reif, Werner Hofscheuer, Joachim Jähme, Werner Langer +2 more | 2002-07-02 |
| 6291579 | Aqueous powder-paint dispersion | Ulrich Kalck, Joachim Woltering, Maximilian Bendix, Heike Schuchmann, Klaus Borho +3 more | 2001-09-18 |
| 6120802 | Method of producing multi-layer medicaments in solid form for oral or rectal administration | Jorg Breitenbach, Axel Paul Hartl, Jurgen Hofmann, Joerg Rosenberg, Hans D. Zettler | 2000-09-19 |
| 6051253 | Production of solid drug forms | Hans D. Zettler, Jorg Breitenbach, Joerg Rosenberg | 2000-04-18 |
| 5942589 | Preparation of semicrystalline syndiotactic polymers of vinylaromatic monomers | Josef Wunsch, Ralph Diener | 1999-08-24 |
| 5905096 | Continuous production process of expandable styrene polymer beads | Peter Nikolaus Lay, Swen Ruck, Michael Witt, Hans D. Zettler, Michael Baumgartel +5 more | 1999-05-18 |
| 5081270 | Preparation of hydroxyanthraquinones | Juergen Pfister, Rainer Nachtrab | 1992-01-14 |