Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |