Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899824 | Liquid-crystalline composition for printing inks, coatings and counterfeit-proof marking of articles | Hiroki Ishida, Peter Schuhmacher, Horst Neumann | 2005-05-31 |
| 6850310 | Cholesteric layered material having improved color stability, and the production thereof | Frank Prechtl, Norbert Schneider, Peter Blaschka, Sylke Haremza, Tilmann Hezel +2 more | 2005-02-01 |
| 6800337 | Thermal insulating coating | Karl Siemensmeyer, Peter Schuhmacher, Norbert Schneider, Hiroki Ishida | 2004-10-05 |
| 6773766 | Utilization of polymerizable liquid crystal substances for the production of optical components | Norbert Schneider, Peter Schuhmacher | 2004-08-10 |
| 6733689 | Liquid-crystalline composition for printing inks, coatings and counterfeit-proof marking of articles | Hiroki Ishida, Peter Schuhmacher, Horst Neumann | 2004-05-11 |
| 6712992 | Liquid-crystalline composition of matter | Frank Prechtl, Sylke Haremza, Robert Parker, Kathrin Kürschner, Peter Schuhmacher +3 more | 2004-03-30 |
| 6616990 | Chiral 1, 3-dioxane compounds | Frank Prechtl, Sylke Haremza, Robert Parker, Kathrin Kürschner, Volkmar Vill +1 more | 2003-09-09 |
| 6605235 | Cholesteric layered material having an improved color impression, and the production thereof | Frank Prechtl, Norbert Schneider, Peter Heilmann, Volker Koch, Robert Parker +2 more | 2003-08-12 |
| 6582781 | Multilayer cholesteric pigments | Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Gunter Bettinger +3 more | 2003-06-24 |
| 6569355 | Chiral compounds, and their use as chiral dopants for the preparation of cholesteric liquid-crystalline compositions | Frank Prechtl, Sylke Haremza, Robert Parker, Volkmar Vill, Gunnar Gesekus | 2003-05-27 |
| 6531221 | Multilayer cholesteric pigments | Peter Schuhmacher, Norbert Schneider, Raimund Schmid, Wolfgang Best, Peter Blaschka | 2003-03-11 |
| 6468444 | Chiral compounds and their use as chiral dopants for producing cholesteric liquid crystal compositions | Peter Schuhmacher, Frank Prechtl | 2002-10-22 |
| 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 |
| 6340745 | Phthalocyanine and use of phthalocyanine as a marking agent | Christos Vamvakaris, Karin H. Beck, Gerhard Wagenblast, Bernhard Albert | 2002-01-22 |
| 6312958 | Method for marking liquids with at least two marker substances and method for detecting them | Gerhard Wagenblast, Karin H. Beck, Christos Vamvakaris | 2001-11-06 |
| 6136225 | Polymerizable liquid-crystalline compounds | Karl Siemensmeyer, Karl-Heinz Etzbach, Peter Schuhmacher | 2000-10-24 |
| 6099751 | Chiral compounds | Karl Siemensmeyer, Hans-Georg Kuball, Bernhard Weiss, Dieter Seebach | 2000-08-08 |
| 6060042 | Use of cholesteric, liquid-crystalline compositions as UV filters in cosmetic and pharmaceutical preparations | Peter Schuhmacher, Norbert Schneider, Horst Westenfelder, Sylke Haremza, Thorsten Habeck | 2000-05-09 |
| 5922481 | Electroluminescent arrangement | Karl-Heinz Etzbach, Wolfgang Paulus, Hans-Werner Schmidt | 1999-07-13 |
| 5833880 | Polymerizable liquid-crystalline compounds | Karl Siemensmeyer, Karl-Heinz Etzbach, Paul Delavier | 1998-11-10 |
| 5798147 | Process for coating and printing substrates | Erich Beck, Ulrich Poth, Karl Siemensmeyer, Claudia Sierakowski, Norbert Greif +6 more | 1998-08-25 |
| 5766679 | Chiral nematic polyesters | Karl Siemensmeyer, Karl-Heinz Etzbach, Hans R. Kricheldorf, Nicolas PROBST | 1998-06-16 |
| 5744057 | Polymerizable, chiral compounds, and use thereof | Karl Siemensmeyer, Karl-Heinz Etzbach, Peter Schuhmacher | 1998-04-28 |