Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404273 | Crystal form of an organic fluorescent compound | Helmut Reichelt, Christian Doerr, Gerd Rollar, Oliver Seeger, Korinna Dormann | 2025-09-02 |
| 12378424 | Microparticle composition comprising an organic IR absorbing pigment | Roland Hinrich Staff, Yannick Fuchs, Helmut Reichelt, Oliver Seeger, Korinna Dormann +1 more | 2025-08-05 |
| 12359070 | Naphthalocyanine and phthalocyanine chromophores | Rene Fischer, Marie-Pascale Perritaz, Helmut Reichelt, Oliver Seeger, Korinna Dormann | 2025-07-15 |
| 11161866 | Crystal form of a dithiolene metal complex | Helmut Reichelt, Oliver Seeger, Korinna Dormann, Rene Fischer, Christian Doerr | 2021-11-02 |
| 10703923 | Naphthalocyanine derivatives | Yves Bron, Helmut Reichelt, Oliver Seeger | 2020-07-07 |
| 10557047 | Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents | Yves Bron, Helmut Reichelt, Marina Schiller | 2020-02-11 |
| 10522767 | 4-oxoquinoline compounds | Thomas Gessner, Helmut Reichelt, Daniel JAENSCH, Long Chen, Klaus Muellen | 2019-12-31 |
| 9310766 | Security element | Thomas Bolle, Michelle Richert, Igor Zhurminsky, Marc Schnieper | 2016-04-12 |
| 8945239 | Inorganic optical brightener | Christian Fabian, Bernhard Seider | 2015-02-03 |
| 7923540 | 2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]-benzoic acid and a process for its preparation | Max Hügin, Ulrich Veith, Sibylle Soder, Thomas Eichenberger | 2011-04-12 |
| 7754273 | Method of printing a time-temperature indicator based on azo coupling reactions onto a susbtrate | Bernhard Muller | 2010-07-13 |
| 7736866 | Enzyme-based time temperature indicator | Peter Simmendinger, Thomas Bolle | 2010-06-15 |
| 6953845 | Method of printing cellulosic fiber materials without an additional fixing process step | Athanassios Tzikas, Herbert Klier | 2005-10-11 |
| 6941911 | Adjustable valve control device for an internal combustion engine | — | 2005-09-13 |
| 6623533 | Method for printing cellulosic fiber materials without an additional fixing process step | Athanassios Tzikas, Herbert Klier | 2003-09-23 |
| 6592634 | Reactive dyes, processes for their preparation and their use | Thomas Verdugo | 2003-07-15 |
| 6307034 | Reactive dyes containing a formazan dye radical and monoazo dye radical, a process for their preparation and their use | — | 2001-10-23 |
| 5989297 | Dye mixtures processes for their preparation and their use | Bernhard Muller, Athanassios Tzikas | 1999-11-23 |
| 5849887 | Mixtures of reactive dyes and their use | Urs Lehmann, Rolf Deitz, Athanassios Tzikas | 1998-12-15 |
| 5837827 | Fibre-reactive dyes, their preparation and their use | Herbert Klier | 1998-11-17 |
| 5831040 | Disazo reactive dyes, their preparation and use | — | 1998-11-03 |
| 5831038 | Dig 20 halogenotriazinyl group-containing fiber reactive dyes, their preparation and their use | — | 1998-11-03 |
| 5772698 | Reactive dyes from the dioxazine series, their preparation and use | Bernhard Muller | 1998-06-30 |
| 5750662 | Disazo dyes containing haloacryloylamino or dihalopropionylamino and substituted triazinyl reactive groups | Bernhard Muller, Athanassios Tzikas | 1998-05-12 |
| 4362708 | Preparation of acicular gamma-iron(III) oxide of high coercive force | Manfred Ohlinger, Guenter Vaeth, Friedrich R. Faulhaber, Horst Autzen, Peter Rudolf +1 more | 1982-12-07 |