Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907033 | Processing additive mixtures | Torsten Ziser, Harald Kleinknecht, Benjamin Bechem, Cristian Oprisoni, Hermann-Josef Weidenhaupt +1 more | 2021-02-02 |
| 10150853 | Diphenylguanidine-free rubber mixtures containing short-chain alkyl esters of glycerin | Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2018-12-11 |
| 10005857 | Functionalized polymer composition | Heike Kloppenburg, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Alicia Le-Sattler | 2018-06-26 |
| 9790352 | Rubber blends containing silicic acid and comprising additives containing sulphur | Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2017-10-17 |
| 9783658 | Rubber mixtures containing silicic acid and sulfur-containing additives | Melanie Wiedemeier, Hermann-Josef Weidenhaupt, Irene Moll | 2017-10-10 |
| 9758642 | Rubber mixtures containing silicic acid and sulfur-containing additives | Melanie Wiedemeier, Hermann-Josef Weidenhaupt, Irene Moll | 2017-09-12 |
| 9637619 | Polysulfide mixtures, method for the production thereof, and use of the polysulfide mixtures in rubber mixtures | Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2017-05-02 |
| 9493639 | Siliceous rubber mixtures containing omega-mercaptocarboxylic acid ester of polyvalent alcohols | Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2016-11-15 |
| 9447263 | Rubber mixtures containing short-chain alkyl esters of glycerin | Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Joerg Hagemann | 2016-09-20 |
| 9376551 | Cross-linked organosilicon polysulfides | Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2016-06-28 |
| 9249285 | Rubber blends containing silicic acid and comprising additives containing sulphur | Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2016-02-02 |
| 9023926 | Method for producing rubber mixtures | Melanie Wiedemeier, Hermann-Josef Weidenhaupt, Heinz Unterberg | 2015-05-05 |
| 8535870 | Organic pigments for colour filters | Frank Linke, Ronald Gobel, Dirk Pfuetzenreuter, Udo Herrmann | 2013-09-17 |
| 8512823 | Process for preparing metal compounds of an azo compound in the presence of seed crystals | Frank Linke, Ronald Gobel, Sabine Endert, Dirk Pfuetzenreuter | 2013-08-20 |
| 8323357 | Fluorine-substituted perylenes for colour filters in LCDS | Frank Linke, Stephan Michaelis, Dirk Pfuetzenreuter | 2012-12-04 |
| 8114558 | Organic pigments for colour filters | Frank Linke, Ronald Gobel, Dirk Pfuetzenreuter, Udo Herrmann | 2012-02-14 |
| 7682444 | Process for preparing pigments | Frank Linke, Ronald Gobel | 2010-03-23 |
| 7255737 | Organic formulations of pigment | Frank Linke, Ronald Gobel | 2007-08-14 |
| 6881830 | Metal complexes | Frank Linke, Ronald Gobel, Udo Herrmann, Sabine Endert | 2005-04-19 |
| 6833455 | Bridged perinones/quinophthalones | Christoph Thiebes, Josef-Walter Stawitz | 2004-12-21 |
| 6828455 | Preparation of styryl compounds | Josef-Walter Stawitz | 2004-12-07 |
| 6596864 | Stilbene brightener | Uwe Vogt, Rolf Brockmann, Thomas Roick, Karl-Rudolf Gassen | 2003-07-22 |
| 6432193 | Process for the continuous drowning of perylene melt | Thomas R. Flatt, Richard Faubion, Mark A. Putnam, Richard A. Vogel | 2002-08-13 |
| 6387296 | Optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this manner | Udo Eckstein, Joachim Konig, Fritz Puchner, Matthias Kocher, Uwe Vogt +1 more | 2002-05-14 |
| 6339117 | Whitened polymers and the use thereof in coating slips for coating substrates | Udo Eckstein, Siegfried Korte, Hans Geiger, Bernhard Hunke, Thomas Roick +1 more | 2002-01-15 |