Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7635743 | Moisture-curing composition and hot-melt adhesive | Matthias Wintermantel, Michael Ludewig | 2009-12-22 |
| 7495124 | Process for the production of very pure 2,4′-methylenediphenyl diisocyanate | Hans-Georg Pirkl, Jeffrey Bolton, Ulrich Wolf, Matthias Wintermantel, Jochen Mahrenholtz | 2009-02-24 |
| 7268183 | Reactive polyurethane hotmelts with large PSA range | Matthias Wintermantel, Hermann Perrey, Christian Wamprecht, Jurgen Ramthun | 2007-09-11 |
| 7056415 | Wood adhesives | — | 2006-06-06 |
| 6020386 | Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste | Thomas Munzmay, Ulrich Liman, Hartmut Nefzger, Werner Rasshofer, Karl-Heinz Dorner +1 more | 2000-02-01 |
| 5998538 | Solvent-free, two-component polyurethane adhesive systems | Eduard Hansel, Klaus Konig, Otto Ganster, Jörg Büchner | 1999-12-07 |
| 5710233 | Polyurethane elastomers with reduced gas permeability | Klaus Konig, Hans-Dieter Thomas | 1998-01-20 |
| 5635542 | Process for the production of hydroxyl-group-containing compounds from polyurethane polyurea and/or polyurea wastes | Thomas Munzmay, Werner Rasshofer | 1997-06-03 |
| 5616623 | Process for the decompostion of polyurethane plastics | Thomas Munzmay, Peter Fuhrmann, Franz Lamla, Werner Rasshofer | 1997-04-01 |
| 5508312 | Process for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materials | Thomas Munzmay, Hartmut Nefzger, Werner Rasshofer | 1996-04-16 |
| 5432228 | Aqueous solutions and dispersions of polyisocyanate polyaddition products, a process for the production of the aqueous solutions and dispersions and their use as adhesives | Genter Hilken, Wolfgang Henning, Rudolf Hombach | 1995-07-11 |
| 5407517 | Hotmelt bonding process | Eduard Hansel, Klaus Konig, Otto Ganster, Horst Stepanski | 1995-04-18 |
| 5356945 | Reactive polyurethanes | Joachim Werner, Ulrich Liman, Armin Zenner, Wolfgang Pätzold | 1994-10-18 |
| 5252617 | Expandable polyurethane powder preparations containing blowing agents and their use for the production of foamed polyurethane moldings | Joachim Werner, Dirk Wegener | 1993-10-12 |
| 5250610 | Aqueous polyurethane dispersions and their use as laminating adhesives | Eduard Hansel, Thomas Munzmay | 1993-10-05 |
| 5210127 | Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders | Joachim Werner, Ulrich Liman, Dirk Wegener, Werner Rasshofer, James W. Rosthauser | 1993-05-11 |
| 5210170 | Process for stabilizing plastics containing ester groups | Bernd Quiring, Thomas Munzmay, Wolfgang Henning, Eduard Mayer, Wilhelm Goyert | 1993-05-11 |
| 5190607 | Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition | Joachim Werner, Horst Stepanski, Jose Colinas-Martinez | 1993-03-02 |
| 5166302 | Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition | Joachim Werner, Horst Stepanski, Jose Colinas-Martinez | 1992-11-24 |
| 5164252 | Hydrophobizing and oleophobizing compositions | Wolfgang Henning, Thomas Munzmay, Wilfried Kortmann, Peter Selinger, Peter Nussbaum | 1992-11-17 |
| 5162457 | Hot melt adhesives | Eduard Hansel, Klaus Konig, Otto Ganster, Horst Stepanski | 1992-11-10 |
| 5143995 | Adhesives based on polyols and polyisocyanates | Eduard Hansel, Otto Ganster, Gunter Arend, Jörg Büchner | 1992-09-01 |
| 5115073 | Rapidly crystallizing polyurethane systems | Eduard Hansel, Gu Arend, Klaus Konig | 1992-05-19 |
| 5100995 | Storage stable polyurethane adhesives | Thomas Munzmay, Horst Stepanski | 1992-03-31 |
| 5075345 | Process for the preparation of polyurethane (urea) masses which contain foam | Eduard Mayer, Manfred Dietrich | 1991-12-24 |