Issued Patents All Time
Showing 25 most recent of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9865823 | Quinolinium dyes with fluorinated counter anion for dye sensitized solar cells | Robert Send, Ingmar Bruder, Peter Erk, Hiroshi Yamamoto, Hitoshi Yamato +2 more | 2018-01-09 |
| 9368729 | Mixtures for producing photoactive layers for organic solar cells and organic photodetectors | Jae Hyung Hwang, Peter Erk, Helmut Reichelt, Ingmar Bruder, Antti Ojala +7 more | 2016-06-14 |
| 8658290 | Use of halogenated phthalocyanines | Martin Koenemann, Sudhakar Sundarraj, Jae Hyung Hwang, Jan Schoeneboom, Albert C. Liu +7 more | 2014-02-25 |
| 8610893 | Marking agents having narrow bands | Thomas Gessner, Erwin Thiel | 2013-12-17 |
| 8609846 | Naphthalene monoimide derivatives and use thereof as photosensitizers in solar cells and photodetectors | Neil Gregory Pschirer, Jan Schoeneboom, Felix Eickemeyer, Helmut Reichelt, Ingmar Bruder | 2013-12-17 |
| 8586745 | Switchable special effect substances | Thomas Gessner, Sophia Ebert | 2013-11-19 |
| 8202994 | Pentarylene- and hexarylenetetracarboximides and preparation thereof | Jianqiang Qu, Neil Gregory Pschirer | 2012-06-19 |
| 8083971 | Use of rylene derivatives as active components in solar cells and photodetectors | Neil Gregory Pschirer | 2011-12-27 |
| 7847930 | High-sensitivity method for detecting differences between the physically measurable properties of a sample and a reference | Erwin Thiel | 2010-12-07 |
| 7767807 | Use of phthalocyanines as marking substances for liquids | Sophia Ebert, Thomas Gessner, Christos Vamvakaris | 2010-08-03 |
| 7714044 | Use of 4-cyano-naphthalene-1, 8-dicarboximide derivatives and related compounds to protect organic material from the damaging effects of light | Simon Schambony, Alban Glaser, Arno Boehm, Helmut Reichelt | 2010-05-11 |
| 7670505 | Compounds comprising 2,6-naphthyl groups | Olivier Enger, Christian Lennartz, Robert Parker | 2010-03-02 |
| 7264749 | Alkyne compounds | Robert Parker, Norbert Schneider, Gerhard Wagenblast | 2007-09-04 |
| 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, Friedrich-Wilhelm Raulfs, Hans Bohrmann, Lothar Schulz +4 more | 2006-07-11 |
| 5738806 | Thienothienylazoanilines in nonlinear optics | Stefan Beckmann, Karl-Heinz Etzbach | 1998-04-14 |
| 5719288 | Pyridone dyes | Karl-Heinz Etzbach, Volker Bach | 1998-02-17 |
| 5696243 | Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same | Stefan Beckmann, Karl-Heinz Etzbach | 1997-12-09 |
| 5654122 | N-aminopyridone dyes | Karl-Heinz Etzbach, Ernst Schefczik, Matthias Wiesenfeldt | 1997-08-05 |
| 5612465 | Phenylazotriazolopyridine dyestuffs | Ernst Schefczik, Karl-Heinz Etzbach, Helmut Reichelt, Clemens Grund | 1997-03-18 |
| RE35407 | Azo dye polymers | Matthias Wiesenfeldt, Sabine Gruettner-Merten, Karl-Heinz Etzbach, Heike Kilburg | 1996-12-17 |
| 5580980 | N-aminopyridone dyes | Karl-Heinz Etzbach, Ernst Schefczik, Matthias Wiesenfeldt | 1996-12-03 |
| 5549853 | Linked azo dyes | Stefan Beckmann, Karl-Heinz Etzbach, Karl Siemensmeyer | 1996-08-27 |
| 5489312 | Cyan mixtures for dye transfer | Karl-Heinz Etzbach, Thomas Werner | 1996-02-06 |
| 5461131 | Azo dye polymers | Matthias Wiesenfeldt, Sabine Gruettner-Merten, Karl-Heinz Etzbach, Heike Kilburg | 1995-10-24 |