Issued Patents All Time
Showing 25 most recent of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8193266 | Method for the treatment of substrates | Johann Mueller, Stefan Kuhn, Karl-Heinz Weigert, Oihana Elizalde | 2012-06-05 |
| 7566361 | Colouring preparations | Dieter Freyberg, Friedrich-Wilhelm Raulfs | 2009-07-28 |
| 7176255 | Method for producing aqueous polymer dispersions containing colorants | Klemens Mathauer, Arno Boehm, Walter Maechtle, Peter Rossmanith, Sabine Kielhorn-Bayer +11 more | 2007-02-13 |
| 7074850 | Cross-linkable polyurethane block copolymers and their use in dispersion binding agent systems | Ulrike Hees, Sophia Ebert, Ruediger Sens, Friedrich-Wilhelm Raulfs, Hans Bohrmann +4 more | 2006-07-11 |
| 6924035 | Method for producing polymer coated pigment particles by precipitation | Helmut Auweter, Heribert Bohn, Walter Machtle, Manfred Mielke, Rudiger Sens | 2005-08-02 |
| 6844377 | Polymer particles containing dye | Helmut Auweter, Heribert Bohn, Robert Heger, Ulrike Schlosser | 2005-01-18 |
| 6800337 | Thermal insulating coating | Peter Schuhmacher, Frank Meyer, Norbert Schneider, Hiroki Ishida | 2004-10-05 |
| 6770331 | Colorant preparations | Manfred Mielke, Friedrich-Wilhelm Raulfs, Ulrike Schlosser, Rudiger Sens, Dieter Freyberg +1 more | 2004-08-03 |
| 6737122 | Method for coating substrates | Erich Beck, Friedrich-Wilhelm Raulfs | 2004-05-18 |
| 6727318 | Method for producing aqueous polymer dispersions containing colorants | Klemens Mathauer, Arno Bohm, Walter Machtle, Peter Rossmanith, Sabine Kielhorn-Bayer +11 more | 2004-04-27 |
| 6669740 | Dye preparations comprising azo dyes | Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rudiger Sens | 2003-12-30 |
| 6607565 | Colorant preparations | Manfred Herrmann, Bernd Siegel | 2003-08-19 |
| 6597426 | Flat element with a cholesteric liquid crystal structure | Peter Schuhmacher, Markus Bröcher, Christian Kuckertz, Werner Mormann | 2003-07-22 |
| 6537331 | Dye preparations containing azo dyes | Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rudiger Sens | 2003-03-25 |
| 6494924 | Precipitated water-insoluble colorants in colloid disperse form | Helmut Auweter, Heribert Bohn, Robert Heger, Dieter Horn, Bernd Siegel | 2002-12-17 |
| 6410130 | Coatings with a cholesteric effect and method for the production thereof | Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Peter Blaschka +5 more | 2002-06-25 |
| 6335462 | Polymerizable oligomesogenes | Karl-Heinz Etzbach, Peter Schuhmacher | 2002-01-01 |
| 6332943 | Method of ink-jet printing with pigment preparations having a dispersant | Manfred Herrmann, Günther König, Rudiger Sens, Bernd Siegel | 2001-12-25 |
| 6294592 | Pigment preparations with radiation curable binder suitable for ink jet printing method | Manfred Herrmann, Gert Motzkus, Wolfgang Reich, Rudiger Sens, Bernd Siegel | 2001-09-25 |
| 6136251 | Process for producing pigment particles of defined shape and size | Karl-Heinz Etzbach, Harald Keller, Reinhold J. Leyrer, Tillmann Faust, Peter Schuhmacher | 2000-10-24 |
| 6136225 | Polymerizable liquid-crystalline compounds | Frank Meyer, Karl-Heinz Etzbach, Peter Schuhmacher | 2000-10-24 |
| 6099751 | Chiral compounds | Frank Meyer, Hans-Georg Kuball, Bernhard Weiss, Dieter Seebach | 2000-08-08 |
| 6099750 | Use of organic compounds in the plastic columnar discotic liquid-crystal phase for transport of electric charges | Jurgen Simmerer, Karl-Heinz Etzbach, Wolfgang Paulus, Peter Schuhmacher, Birgit Glüsen +4 more | 2000-08-08 |
| 6036883 | Use of low molecular-weight or polymeric organic compounds which are present in the columnar-helical phase and have liquid-crystalline properties | Wolfgang Paulus, Lukas Haussling, Karl-Heinz Etzbach, Dieter Adam, Juergen Simmerer +4 more | 2000-03-14 |
| 5942030 | Pigment preparation | Peter Schuhmacher, Juan Antonio Gonzalez Gomez, Norbert Schneider | 1999-08-24 |