Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8710225 | Thiocyanato or isothiocyanato substituted naphthalene diimide and rylene diimide compounds and their use as n-type semiconductors | Helmut Reichelt, Nicolle Langer, Anke Schwind | 2014-04-29 |
| 8691401 | Bridged benzimidazole-carbene complexes and use thereof in OLEDS | Oliver Molt, Christian Lennartz, Korinna Dormann, Evelyn Fuchs, Nicolle Langer +3 more | 2014-04-08 |
| 8610893 | Marking agents having narrow bands | Ruediger Sens, Erwin Thiel | 2013-12-17 |
| 8586745 | Switchable special effect substances | Ruediger Sens, Sophia Ebert | 2013-11-19 |
| 8119802 | Fluorinated dyes and their use in electrophoretic display devices | Nicolle Moonen, Stephan Hess, Jianqiang Qu, Markus Hoffmann, Ying-Syi Li +5 more | 2012-02-21 |
| 8029919 | Phenothiazines, S-oxides, and S,S-dioxides as well as phenoxazines as emitters for OLEDs | Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete | 2011-10-04 |
| 7767807 | Use of phthalocyanines as marking substances for liquids | Sophia Ebert, Ruediger Sens, Christos Vamvakaris | 2010-08-03 |
| 7750556 | Triazole derivatives and use thereof in organic light-emitting diodes (OLEDs) | Christian Lennartz, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete | 2010-07-06 |
| 6846956 | Triarylmethane dyes | Hellmut Kast, Rainer Tresch | 2005-01-25 |
| 6533826 | Method for producing aqueous solutions of cationic diarylmethane colorants and triarylmethane colorants | Gunter Schroder, Robert M. Reinhardt | 2003-03-18 |
| 5792879 | Preparation of DI-OR triarylmethane dyes by oxidation | Udo Mayer | 1998-08-11 |
| 5712416 | Preparation of benzoquinones by oxidation of phenols | — | 1998-01-27 |
| 5659053 | Preparation of Di- or triarylmethane dyes by oxidation | Udo Mayer | 1997-08-19 |
| 5347022 | Preparation of DI- or triarylmethane dyes by oxidation | Udo Mayer | 1994-09-13 |