Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326057 | Automatic sorting of polymer materials on the basis of the fluorescence decay time of the intrinsic fluorescence of the polymer | Thorben Schlücker, Dominik ZGELA | 2022-05-10 |
| 10533943 | Method and apparatus for identifying plastics and/or the additives therein | Gunther Krieg, Dirk Fey, Juergen Bohleber, Thorben Schluecker, Dominik ZGELA | 2020-01-14 |
| 9290494 | Systems for the light-induced separation of charges | Andreas Obermeier | 2016-03-22 |
| 8835484 | Naphthocyanines for use as contrast agents | Peter Laubichler, Christos Haritoglou, Ana Varja | 2014-09-16 |
| 8404705 | Naphthalene amidine imides | Harald Jaschke, Thomas Ehlis, Olof Wallquist | 2013-03-26 |
| 6491749 | Core-extended perylene bisimides | Susanne Kirner, Patrick Blanke, Markus Speckbacher | 2002-12-10 |
| 6335171 | Immunochemical determination of substances contained on textile fibers or polymers | Rupert Brosius, Bertold Hock | 2002-01-01 |
| 6166210 | Perylene imide monocarboxylic acids | Wolfgang Jona | 2000-12-26 |
| 6156914 | Donor-substituted oxindigo derivatives and their use as colorants | Barbara Wagner | 2000-12-05 |
| 6143890 | Naphthalenehydrazamimides and perylenehydrazamimides | Rami Ismael | 2000-11-07 |
| 6060601 | Fluorescence-derivatisation of carbonyl compounds-novel carbonyl reagents | Wolfgang Jona | 2000-05-09 |
| 5981773 | Preparation of perylene-3,4-dicarboxylic anhydrides | Petra Christa Von Unold, Markus Speckbacher | 1999-11-09 |
| 5929239 | Bifluorophoric perylene colourants | Josef Gold | 1999-07-27 |
| 5886183 | Naphthalenelactamimide fluorescence dyes | Petra Christa Von Unold | 1999-03-23 |
| 5693808 | Process for the preparation of peryleneimides, novel di-, tri- and tetrachromophoric perylene dyes and their use | — | 1997-12-02 |
| 5650513 | Process for preparing perylene-3,4-dicarboxylic acid derivatives, the derivatives thus prepared and their use | Leonhard Feiler | 1997-07-22 |
| 5508137 | Perylene amidine imide dyes, a process for preparing them, and their use | — | 1996-04-16 |
| 5354869 | 3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo -(3,4-c)-pyrrole-1,4-dione compound | Thomas Potrawa | 1994-10-11 |
| 5266700 | Bipyridyls and their use as inks | Christoph Naumann | 1993-11-30 |
| 4677076 | Process for determining water in samples containing water | — | 1987-06-30 |
| 4677079 | Process for determining the composition of binary liquid mixture | — | 1987-06-30 |