Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163031 | Pigment preparations | Sabine Endert, Frank Linke, Hans-Ulrich Borst | 2024-12-10 |
| 10961396 | Methine dyes | Frank Linke, Hans-Ulrich Borst | 2021-03-30 |
| 10808129 | Methine dyes | Hans-Ulrich Borst, Frank Linke | 2020-10-20 |
| 10487211 | Methine dyes | Hans-Ulrich Borst, Frank Linke | 2019-11-26 |
| 10435565 | Methine dyes | Hans-Ulrich Borst, Frank Linke | 2019-10-08 |
| 10266697 | Yellow methine dyes | Hans-Ulrich Borst, Frank Linke | 2019-04-23 |
| 9663660 | Metal azo pigments | Frank Linke, Heinz-Josef Fuellman, Hans-Ulrich Borst, Sabine Endert, Dirk Pfuetzenreuter | 2017-05-30 |
| 8932786 | Metal azo pigments and pigment preparations produced therefrom | Hans-Ulrich Borst, Frank Linke, Heinz-Josef Fuellmann, Dirk Pfuetzenreuter, Sabine Endert | 2015-01-13 |
| 8323357 | Fluorine-substituted perylenes for colour filters in LCDS | Ulrich Feldhues, Frank Linke, Dirk Pfuetzenreuter | 2012-12-04 |
| 6852873 | Preparation of styryl dyes | Josef-Walter Stawitz, Christoph Thiebes | 2005-02-08 |
| 6846335 | Crystal form of a perinone dye | Josef-Walter Stawitz | 2005-01-25 |
| 6600589 | Electrochromic device with a yellow filter | Horst Berneth, Ralf Neigl, Hermann-Jens Womelsdorf | 2003-07-29 |
| 6420576 | Preparation of arylaminohydroxyanthraquinones | Josef-Walter Stawitz | 2002-07-16 |
| 6121452 | Process for the preparation of quinophthalones | Dietmar Kalz, Karl-Heinz Reinhardt | 2000-09-19 |
| 6008350 | Process for the production of cyanine dyes | Peter Roschger, Karin Hassenruck, Horst Berneth, Paul Callant | 1999-12-28 |
| 5948600 | Method and material for the formation of a heat mode image | Peter Roschger, Karin Hassenruck, Horst Berneth, Paul Callant, Herman Uytterhoeven +2 more | 1999-09-07 |
| 5922904 | Bulk dyeing using quinophthalone dyestuffs | — | 1999-07-13 |
| 5874582 | Bulk dyeing using quinophthalone dyestuffs | Peter Roschger, Volker Hederich | 1999-02-23 |
| 5800573 | Bulk dyeing using quinophthalone dyestuffs | Peter Roschger, Volker Hederich | 1998-09-01 |
| 5639896 | Process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones | Dietmar Kalz, Reinold Schmitz, Karl-Heinz Reinhardt, Josef Schroder | 1997-06-17 |
| 5621027 | Dyestuffs for bulk dyeing plastics | Peter Roschger, Volker Hederich, Friedrich W. Krock | 1997-04-15 |
| 5582621 | Bulk dyeing of plastics | Peter Roschger, Hauke Furstenwerth | 1996-12-10 |
| 5530130 | Phthaloperinone dyestuffs | Peter Roschger, Volker Hederich | 1996-06-25 |
| 5525152 | Pigment salts and their use for dyeing and pigmenting | Peter Roschger, Gunther Franke, Bernd Woost, Bernd Kaletta | 1996-06-11 |