Issued Patents All Time
Showing 1–25 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428895 | Stable adhesive composite material made of polyurethane and of another thermoplastic material, a process for its production and a method for its use in motor vehicles | Karsten Reihs, Holger Warth, Dirk Wegener, Manfred Schmidt, Peter Heitkamper | 2002-08-06 |
| 6296908 | Stable adhesive composite material made of polyurethane and of another thermoplastic material, a process for its production and a method for its use in motor vehicles | Karsten Reihs, Holger Warth, Dirk Wegener, Manfred Schmidt, Peter Heitkamper | 2001-10-02 |
| 6156811 | Molded polyurethane articles prepared from recycled polyols and processes for their production and use | Adolf Lammeck | 2000-12-05 |
| 6136238 | Device and process for producing plastic components, especially polyurethane moldings | Henry Muller, Achim Symannek | 2000-10-24 |
| 6020386 | Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste | Thomas Munzmay, Walter Meckel, Ulrich Liman, Hartmut Nefzger, Karl-Heinz Dorner +1 more | 2000-02-01 |
| 5879608 | Molded polyurethane articles prepared from recycled polyols and processes for their production and use | Adolf Lammeck | 1999-03-09 |
| 5716580 | Process for producing moldings using a mold release agent | Joachim Wagner | 1998-02-10 |
| 5705594 | Polyamine crosslinking agent formulation and its preparation | Klaus Konig, Otto Neuner | 1998-01-06 |
| 5635542 | Process for the production of hydroxyl-group-containing compounds from polyurethane polyurea and/or polyurea wastes | Thomas Munzmay, Walter Meckel | 1997-06-03 |
| 5616623 | Process for the decompostion of polyurethane plastics | Thomas Munzmay, Peter Fuhrmann, Franz Lamla, Walter Meckel | 1997-04-01 |
| 5538679 | Process of making molded products | Joachim Wagner, Eberhard Jurgens, Ulrich Eisele | 1996-07-23 |
| 5508312 | Process for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materials | Thomas Munzmay, Hartmut Nefzger, Walter Meckel | 1996-04-16 |
| 5338763 | Process for the preparation of compounds containing hydroxyl groups and their use in the production of polyurethane resins | Thomas Munzamy, Karl-Heinz Dorner, Ulrich Limna | 1994-08-16 |
| 5283364 | Hydrolysis process for polyamines | Klaus Konig, Hans-Joachim Meiners, Gerhard Grogler | 1994-02-01 |
| 5210127 | Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders | Joachim Werner, Walter Meckel, Ulrich Liman, Dirk Wegener, James W. Rosthauser | 1993-05-11 |
| 5154871 | Process for the production of composite structures | Joachim Wagner, Karl Peltzer | 1992-10-13 |
| 5109035 | Process for the production of moldings or films of cross-linked polyisocyanate polyadducts and the moldings thus obtained | Joachim Wagner, Thomas Elsner, Hans-Albrecht Freitag | 1992-04-28 |
| 5077339 | Heat-curing reactive powders based on polyurethanes | Gerhard Grogler, Heinrich Hess, Richard Kopp | 1991-12-31 |
| 5069857 | Process for the production of molded articles by deep-drawing prefabricated polyurethane(urea) parts or by pressing fragmented polyurethane(urea) material | Joachim Wagner, Thomas Elsner, Jurgen Faehndrich, Eberhard Jurgens | 1991-12-03 |
| 5064600 | Process for production of moldings or films from polyisocyanate polyadducts by rim procedure | Joachim Wagner, Ulrich Eisele, Eberhard Jurgens, Christian Weber, Erich Meier | 1991-11-12 |
| 5009950 | Composite structures | Joachim Wagner, Karl Peltzer | 1991-04-23 |
| 4985490 | Method of direct manufacture of pigmented polyurethane powder | James W. Rosthauser, Walter Meckel | 1991-01-15 |
| 4970342 | Polyamines and a process for the production thereof | Rudolf Fauss, Hans-Joachim Meiners, Holger Meyborg | 1990-11-13 |
| 4931595 | Catalytic hydrolysis process for polyamines | — | 1990-06-05 |
| 4902825 | N,N'-bis(trans-4-isocyanatocyclohexyl)urea, a process for its preparation and its use | Andreas Ruckes, Richard Kopp, Gerhard Grogler | 1990-02-20 |