Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548969 | Process for the preparation of polyisocyanates with dimer, trimer and/or allophanate and optionally urethane structure | Dieter Mager, Frank Richter, Jingchun Qian | 2023-01-10 |
| 9458097 | Process for the preparation of polyisocyanates and use thereof | Frank Richter | 2016-10-04 |
| 9440937 | Method for producing polyisocyanates and use thereof | Frank Richter | 2016-09-13 |
| 8445623 | Process for the preparation of polyisocyanates with a biuret structure | Dieter Mager, André Fellhoelter, Reinhard Halpaap | 2013-05-21 |
| 8293937 | Process for producing low-monomer-content organic polyisocyanates | Frank Richter, Thomas Voigt, Reinhard Halpaap | 2012-10-23 |
| 7595422 | Process for conditioning isocyanates | Frank Richter, Andreas Hecking | 2009-09-29 |
| 7071353 | Polyisocyanates containing acylurea groups, a process for their production and their use | Christoph Gürtler | 2006-07-04 |
| 6992186 | Process for preparing low-monomer-content TDI trimers | Oswald Wilmes, Joachim Simon | 2006-01-31 |
| 6936678 | Process for preparing low-monomer-content TDI trimers | Joachim Simon, Oswald Wilmes, Jürgen Walloschek | 2005-08-30 |
| 6777523 | Highly functional polyisocyanate mixtures which are dispersible in water | Hans-Josef Laas, Reinhard Halpaap | 2004-08-17 |
| 6664415 | Process for preparing organic monoisocyanates | Lutz Schmalstieg, Ulrich Geron, Hans Behr, Jörg Morawski | 2003-12-16 |
| 6410095 | Solvent-free binder compositions and their use in one- and two-component coating compositions | Gerhard Ruttmann, Lutz Schmalstieg | 2002-06-25 |
| 6391161 | Method for reducing the chlorine content of low molecular weight isocyanates | Karsten Danielmeier, Dieter Mager, Reinhard Halpaap, Eric Hoffman | 2002-05-21 |
| 6384175 | Polyisocyanate mixtures containing acylurea groups | Karsten Danielmeier, Hans-Josef Lass, Raul Pires, Karl-Ludwig Noble, Robert Reyer +1 more | 2002-05-07 |
| 6222066 | Process for decreasing the chlorine content of organic isocyanates | Karsten Danielmeier, Harald Leps, Dieter Mager, Reinhard Halpaap, Reinhold Klipper +1 more | 2001-04-24 |
| 6197874 | Polyurethane-polyacrylate hybrid dispersions containing allophanate groups | Christoph Irle, Harald Blum, Wolfgang Kremer, Rolf Roschu, Erhard Luhmann +2 more | 2001-03-06 |
| 6111053 | Olefinically unsaturated polyisocyanates | Eberhard Arning, Lutz Schmalstieg, Harald Mertes, Jurgen Schwindt | 2000-08-29 |
| 6032412 | Moulded bodies comprising of humus-containing plant substrate consolidated with polyurethane/polyurea, a process for producing them and their use in plant cultivation | Franz-Josef Bohne, Alberto C. Gonzalez-Dorner, Marc Herrmann, Manfred Schmidt, Franz-Josef Giesen +1 more | 2000-03-07 |
| 6007619 | Use of nonionic, water-dispersible polyisocyanates as concrete additives | Hans-Josef Laas, Jan Mazanek, Hermann Kober, Manfred Schonfelder, Dietbert Knofel +2 more | 1999-12-28 |
| 6001931 | Binder mixtures for two-component polyurethane coating compositions | Dieter Margotte, Christian Wamprecht, Wieland Hovestadt, Jurgen Meixner | 1999-12-14 |
| 5798431 | Process for the production of polyisocyanates containing isocyanurate groups from aliphatic and aromatic isocyanate compounds | Carl-Gerd Dieris, Lutz Schmalstieg, Reinhard Halpaap | 1998-08-25 |
| 5731396 | Water dispersible polyisocyanate mixtures | Hans-Josef Laas, Reinhard Halpaap | 1998-03-24 |
| 5672736 | Polyisocyanates containing allophanate groups | Lutz Schmalstieg, Josef Pedain | 1997-09-30 |
| 5606004 | Lacquer polyisocyanates with aliphatically and aromatically bound isocyanate groups | Josef Pedain, Lutz Schmalstieg | 1997-02-25 |
| 5580947 | Olefinically unsaturated isocyanates, a method for their production and their use in one-component coating compositions | Eberhard Arning, Lutz Schmalstieg, Jurgen Schwindt, Josef Pedain | 1996-12-03 |