Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455645 | Process for the production of telechelic polymers, telechelic polymers produced in this manner and use thereof | Martin Melchiors, Hartwig Hocker, Helmut Keul, Andreas Neumann | 2002-09-24 |
| 6153788 | Process for preparing esters of ethylenically unsaturated carboxylic acids | Wolfgang Fischer, Jurgen Meixner | 2000-11-28 |
| 6001931 | Binder mixtures for two-component polyurethane coating compositions | Martin Brahm, Christian Wamprecht, Wieland Hovestadt, Jurgen Meixner | 1999-12-14 |
| 5973107 | Process for producing polyacrylates having a low content of residual acrylate monomers | Christian Wamprecht, Josef Pedain, Hartwig Hocker, Volker Rohde | 1999-10-26 |
| 5969054 | High solids polyurethane binder compositions containing grafted polyacrylate polyols | Christian Wamprecht, Michael Sonntag | 1999-10-19 |
| 5733973 | High solids binder compositions containing OH-functional polyacrylate graft copolymers | Christian Wamprecht, Michael Sonntag, Jurgen Schwindt | 1998-03-31 |
| 5412056 | Surface coatings and a process for their production | Christian Zwiener, Michael Sonntag | 1995-05-02 |
| 5325580 | Process for the production of enamelled workpieces | Hermann Gruber, Eberhard Arning, Hans-Peter Hoffmann, Alain Viquesnel, Paul Zybell +1 more | 1994-07-05 |
| 5308912 | Polyurethane coating compositions containing polyether polyols as additives | Werner Kubitza | 1994-05-03 |
| 5064960 | Solutions of isocyanurate polyisocyanates in coatings solvents and a process for their production | Josef Pedain | 1991-11-12 |
| 4748269 | Process for the preparation of (meth)acrylic acid esters and their use | Jurgen Meixner, Josef Pedain, Peter Hohlein | 1988-05-31 |
| 4460752 | Reacting polycarbonate resin with aryl chlorocarbonate to improve aging characteristics | Dieter Neuray, Erhard Tresper, Gunter Jacobs | 1984-07-17 |
| 4421879 | Use of 3,4-disubstituted anilines as accelerators for unsaturated polyester resins | Erich Eimers, Klaus Kraft | 1983-12-20 |
| 4381359 | Stabilized thermoplastic moulding compositions | Karsten-Josef Idel, Hans-Josef Buysch, Horst Peters | 1983-04-26 |
| 4367186 | Process for the preparation of modified polycarbonate molding compositions | Siegfried Adelmann, Werner Nouverine, Frank Kleiner | 1983-01-04 |
| 4346210 | Process for the preparation of polycarbonates catalyzed by cyclic aza compounds | Wolfgang Alewelt, Claus Wulff, Hugo Vernaleken | 1982-08-24 |
| 4336348 | Thermoplastic compositions, process for their preparation and their use | — | 1982-06-22 |
| 4327015 | Flame resistant, transparent polycarbonates comprising bisulfite adducts | Frank Druschke, Wolfgang Cohnen, Karsten-Josef Idel | 1982-04-27 |
| 4323501 | Esters of phosphorous acid | Erich Eimers, Helmut Schmid, Rolf Dhein | 1982-04-06 |
| 4310642 | Graft polycarbonates, their preparation and their use as moldings | Werner Nouvertne, Dieter Neuray, Hugo Vernaleken | 1982-01-12 |
| 4289685 | Process for the preparation of flame-resistant polycarbonates | Frank Druschke, Erhard Tresper, Ludwig Bottenbruch, Wolfgang Cohnen, Uwe Hucks | 1981-09-15 |
| 4252922 | Polycarbonate molding compositions with improved resilience properties | Siegfried Adelmann, Werner Nouvertne, Manfred Schreckenberg, Frank Kleiner | 1981-02-24 |
| 4230548 | Polycarbonates with end groups containing bonds which can be crosslinked by UV light | Siegfried Adelmann, Hugo Vernaleken | 1980-10-28 |
| 4221645 | Polycarbonates with end groups containing double bonds which can be crosslinked by UV light | Siegfried Adelmann, Hans J. Rosenkranz, Hugo Vernaleken, Werner Nouvertne, Dieter Freitag | 1980-09-09 |
| 4205140 | Thermoplastic moulding compositions | Lothar Liebig, Frank Wingler, Werner Nouvertne | 1980-05-27 |