Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852101 | Powder coating compositions and their use for coating heat-resistant substrates | Christian Wamprecht, Hans-Joachim Kreuder, Wolfgang Schultz, Manfred Bock, Rainer Rettig | 1998-12-22 |
| 5847044 | Polyurethane powder coating compositions which have a low stoving temperature | Hans-Josef Laas, Hans-Ulrich Meier-Westhues, Ulrich Freudenberg, Hans-Peter Klee | 1998-12-08 |
| 5821326 | Process for preparing mono and polyaspartates | Gerald Kurek, Josef Pedain, Michael Sonntag | 1998-10-13 |
| 5811190 | Matt polyurethane powder coatings and their use for coating heat resistant substrates | Hans-Josef Laas, Hans-Ulrich Meier-Westhues, Ulrich Freudenberg, Hans-Peter Klee | 1998-09-22 |
| 5798431 | Process for the production of polyisocyanates containing isocyanurate groups from aliphatic and aromatic isocyanate compounds | Martin Brahm, Carl-Gerd Dieris, Lutz Schmalstieg | 1998-08-25 |
| 5750629 | Uretdione diisocyanates and a process for their production | Hans-Josef Laas, Josef Pedain, Klaus Konig | 1998-05-12 |
| 5739249 | Chlorine-free multifunctional resins for paper finishing | Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst +3 more | 1998-04-14 |
| 5731396 | Water dispersible polyisocyanate mixtures | Hans-Josef Laas, Martin Brahm | 1998-03-24 |
| 5717091 | Polycyclic iminooxadiazinediones, their preparation and use | Frank Richter, Theodor Engbert | 1998-02-10 |
| 5623045 | Process for the preparation of coatings | Christian Zwiener, Josef Pedain, Wolfgang Kiel | 1997-04-22 |
| 5621064 | Uretdione powder coating cross-linking agents having a low melt viscosity | Hans-Josef Laas, Hans-Ulrich Meier-Westhues, Wolfgang Schultz | 1997-04-15 |
| 5596066 | Dimeric diol-modified powder coating cross-linking agents containing uretdione groups | Hans-Josef Laas, Hans-Ulrich Meier-Westhues, Wolfgang Schultz | 1997-01-21 |
| 5510444 | Powder coating compositions and their use for coating heat-resistant substrates | Hans-Ulrich Meier-Westhues, Christian Wamprecht, Manfred Bock, Wolfgang Schultz, Lothar Kahl | 1996-04-23 |
| 5508337 | Powder coating compositions, a process for their preparation, and their use for the coating of heat resistant substrates | Christian Wamprecht, Hans-Ulrich Meier-Westhues, Wolfgang Schultz | 1996-04-16 |
| 5503714 | Chlorine-free multifunctional resins for paper finishing | Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst +3 more | 1996-04-02 |
| 5473011 | Polyisocyanate mixtures, a process for their preparation and their use as cross-linking agents in coating compositions | Hans-Josef Laas, Rainer Rettig, Klaus Nachtkamp | 1995-12-05 |
| 5464921 | Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes | Hans-Josef Laas, Christian Wamprecht, Hans-Ulrich Meier-Westhues, Wolfgang Schultz, Lothar Kahl | 1995-11-07 |
| 5252696 | Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions | Hans-Josef Laas, Tillmann Hassel, Werner Kubitza, Klaus Noll | 1993-10-12 |
| 5237058 | Polyisocyanates containing uretdione and/or isocyanurate groups, a process for their production | Hans-Josef Laas, Josef Pedain | 1993-08-17 |
| 5208291 | Powder coating compositions, a process for their production and their use for coating heat-resistant substrates | Christian Wamprecht, Hans-Joachim Kreuder, Manfred Bock, Jurgen Meixner, Rainer Rettig +1 more | 1993-05-04 |
| 5143994 | Polyisocyanate mixture, a process for its preparation and its use in polyurethane coating compositions | Hans-Josef Laas, Josef Pedain, Jurgen Mosbach | 1992-09-01 |
| 5126422 | Coating compositions and coated heat-resistant substrates prepared therefrom | Willi Dunwald, Holger Casselmann, Hans Schlegel | 1992-06-30 |
| 5126479 | Process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics | Willi Dunwald, Josef Pedain | 1992-06-30 |
| 5071938 | Polyisocyanates, a process for their preparation and their use in stoving lacquers | Wilhelm Dunwald, Holger Casselmann, Hans Schlegel | 1991-12-10 |
| 4954577 | Lacquer binders, coating compositions and wire enamels based on polyamideimides and isocyanates carrying carbodiimide and/or uretone imine groups | Willi Dunwald, Hans Schlegel, Josef Pedain | 1990-09-04 |