Issued Patents All Time
Showing 1–25 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10676448 | Method for producing TDI-trimerisates with high purity | Josef Sanders, Andreas Hecking, Frank Richter, Oswald Wilmes, Jan Busch +3 more | 2020-06-09 |
| 10329248 | Method for producing 1,5-pentanediisocyanate in the gas phase | Josef Sanders, Martin Ehrig, Manfred Keller-Killewald, Armin Schymura, Dietmar Wastian | 2019-06-25 |
| 10294198 | Method for producing xylylene diisocyanates in the gaseous phase | Ralph Weber, Josef Sanders, Frank Richter, Elsa Karoline Schadlich, Armin Schymura +3 more | 2019-05-21 |
| 10189945 | Method for producing light-coloured TDI-polyisocyanates | Josef Sanders, Andreas Hecking, Frank Richter, Oswald Wilmes, Jan Busch +2 more | 2019-01-29 |
| 10173970 | Method for producing 1,5-pentanediisocyanate in the gas phase | Josef Sanders, Martin Ehrig, Manfred Keller-Killewald, Armin Schymura, Dietmar Wastian | 2019-01-08 |
| 10131641 | Method for producing TDI-trimerisates with high purity | Josef Sanders, Andreas Hecking, Frank Richter, Oswald Wilmes, Jan Busch +3 more | 2018-11-20 |
| 9790194 | Process for continuous isocyanate modification | Frank Richter, Martin Anstock, Philip Bahke, Andreas Gosch, Andreas Hecking +3 more | 2017-10-17 |
| 9458318 | Polyisocyanate mixtures | Dorota Greszta-Franz, Hans-Josef Laas, Dieter Mager, Hans-Ulrich Meier-Westhues | 2016-10-04 |
| 9403754 | Process for hydrogenating aromatic di- and polyamines | Thomas Ernst Müller, Christoph Gürtler, Christoph Thiebes, Ewa Gebauer-Henke, Isabel U. Castro Cevallos +1 more | 2016-08-02 |
| 9382198 | Preparation of light-colored isocyanates | Herbert Stutz, Tilak Suren Lewkebandara | 2016-07-05 |
| 9376403 | Process for trimerising cycloaliphatic diisocyanates | Mario Schneider, Oswald Wilmes, Uwe Werner | 2016-06-28 |
| 9278906 | Process for hydrogenating aromatic di- and polyamines to cycloaliphatic di- and polyamines | Thomas Ernst Müller, Christoph Gürtler, Ewa Gebauer-Henke, Walter Leitner, Patrick Tomkins +1 more | 2016-03-08 |
| 8445623 | Process for the preparation of polyisocyanates with a biuret structure | Martin Brahm, Dieter Mager, André Fellhoelter | 2013-05-21 |
| 8293937 | Process for producing low-monomer-content organic polyisocyanates | Martin Brahm, Frank Richter, Thomas Voigt | 2012-10-23 |
| 8134014 | Preparation of uretdione polyisocyanates | Frank Richter, Andreas Hecking | 2012-03-13 |
| 8097691 | Preparation of polyisocyanates of the trimer type | Frank Richter | 2012-01-17 |
| 8058382 | Uretdione formation in solution | Frank Richter, Hans-Josef Laas, Andreas Hecking | 2011-11-15 |
| 7956209 | Polyisocyanates containing allophanate and silane groups | Hans-Josef Laas | 2011-06-07 |
| 7939598 | Polyisocyanate mixtures comprising cycloaliphatic structural elements | Hans-Josef Laas, Dieter Mager, Markus Mechtel, Michael Ehlers, Reinhard Hertrampf | 2011-05-10 |
| 7919552 | Polyurethane powder lacquer | Michael Grahl, Hans-Josef Laas, Dorota Greszta-Franz | 2011-04-05 |
| 7767778 | Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature | James Rawlins, Michael Grahl, Dorota Greszta-Franz, Hans-Josef Laas | 2010-08-03 |
| 7737243 | Highly productive coating composition for automotive refinishing | Jerome T. Adams, Robert John Barsotti, Laura Ann Lewin, Dieter Mager, Myron W. Shaffer +2 more | 2010-06-15 |
| 7709680 | Preparation of polyisocyanates containing uretdione groups using phosphine catalysts | Frank Richter | 2010-05-04 |
| 7329717 | Polyisocyanate-modified polycarboxylic acids | Hans-Josef Laas, Christoph Gürtler, Michael Grahl, Peter Thometzek, James Rawlins | 2008-02-12 |
| 7151151 | Preparation of polyisocyanates containing uretdione groups | Frank Richter, Hans-Josef Laas, Andreas Hecking | 2006-12-19 |