Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469716 | Single-component polyurethane system comprising aqueous or water-soluble polyurethanes | Harald Blum | 2016-10-18 |
| 8383724 | Aqueous coating composition based on a binder mixture as base coat | Harald Blum, Heinz Schmidt | 2013-02-26 |
| 7902302 | Hydroxy-functional polyester-polyurethane dispersions, methods of preparing the same, compositions containing such dispersions and uses therefor | Harald Blum | 2011-03-08 |
| 7691941 | Low-solvent or solvent-free crosslinker dispersions with pyrazole-blocked isocyanate groups | Sebastian Dörr, Harald Blum | 2010-04-06 |
| 7589148 | Preparation of a polyurethane dispersion with blocked isocyanate groups | Sebastian Dörr, Harald Blum | 2009-09-15 |
| 7557156 | Aqueous hydroxy-functional polyester dispersions containing urethane groups | Harald Blum, Ulrich Freudenberg | 2009-07-07 |
| 7074852 | Blocked polyisocyanates | Jan Mazanek, Christoph Thiebes, Jurgen Meixner, Olaf Fleck | 2006-07-11 |
| 7049367 | Self-crosslinking PU dispersions | Jan Mazanek, Dieter Mager, Joachim Petzoldt | 2006-05-23 |
| 7026428 | Blocked polyisocyanates | Christoph Gürtler, Jan Mazanek, Joachim Petzoldt | 2006-04-11 |
| 6903156 | Strippable coating compositions | Hanns P. Muller, Horst Gruttmann, Joachim Petzoldt, Christoph Irle | 2005-06-07 |
| 6831126 | Emulsion polymers and their use as peelable coatings | Rolf Gertzmann, Joachim Petzoldt, Christoph Irle | 2004-12-14 |
| 6827983 | Low temperature-drying waterborne coatings | Joachim Petzoldt | 2004-12-07 |
| 6716910 | Aqueous and/or water-dilutable polyisocyanate crosslinkers blocked with diisopropylamine | Eberhard Konig, Jan Mazanek, Joachim Petzoldt | 2004-04-06 |
| 6610779 | Aqueous barrier layer based on polyurethane dispersions | Harald Blum, Jurgen Meixner, Joachim Petzoldt | 2003-08-26 |
| 6482885 | Coating composition comprising diverse anionic polyurethane-polyurea dispersions | Hanns P. Muller, Horst Gruttmann, Joachim Petzoldt, Jurgen Meixner, Gerald Kurek | 2002-11-19 |
| 6458441 | Substrate having a section with a peelable coating and a surface decoration | Dirk Storch, Hanns P. Muller, Johan Kijlstra | 2002-10-01 |
| 6380342 | Aqueous coating compositions, their preparation and use in stoving lacquers | Christoph Irle, Harald Blum, Joachim Petzoldt | 2002-04-30 |
| 6187860 | Aqueous polyisocyanate crosslinking agents modified with hydroxycarboxylic acids and pyrazole-based blocking agents | Eberhard Konig, Harald Blum, Joachim Petzoldt | 2001-02-13 |
| 6172126 | Cosolvent-free, aqueous, anionic polyurethane dispersions and their use as peelable coatings | Hanns P. Muller, Horst Gruttmann, Holger Casselmann, Joachim Petzoldt, Manfred Bock | 2001-01-09 |
| 6139918 | Process for preparing physically drying coatings from aqueous dispersions | Christoph Irle, Harald Blum, Joachim Petzoldt | 2000-10-31 |
| 5965195 | Cosolvent-free aqueous, anionic polyurethane dispersions and their use as peelable coatings | Hanns P. Muller, Horst Gruttmann, Holger Casselmann, Joachim Petzoldt, Manfred Bock | 1999-10-12 |
| 5455297 | Water-based coating compositions and their use for the production of flexible coatings | Josef Pedain, Dieter Mager, Manfred Schonfelder | 1995-10-03 |
| 5294665 | Water soluble or water dispersible polyisocyanate mixtures and their use in stoving compositions | Josef Pedain, Dieter Mager, Harald Blum, Holger Casselmann | 1994-03-15 |
| 5194334 | Process for the production of sheet metal/duroplast composite elements | Walter Uerdingen, Bert Brassat, Karl-Ludwig Noble, Bernhard Hess, Heinz Eichner | 1993-03-16 |