Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014276 | Method and device for producing a foam particle part | Harald Sommer, Norbert Reuber | 2021-05-25 |
| 9656415 | Device for producing molded parts from particulate plastic materials | Martin Bauer, Norbert Reuber | 2017-05-23 |
| 7416601 | Black perylene pigments | Peter Erk, Andreas Stohr, Arno Boehm, Jin Mizuguchi, Benno Sens | 2008-08-26 |
| 5891227 | Aqueous dye preparations | Dietrich Hoffmann, Ulrike Schlosser, Erwin Czech, Karin H. Beck, Doug R. Campbell +2 more | 1999-04-06 |
| 5814139 | Ballpoint pen pastes with phthalocyanine pigments | Karin H. Beck, Helmut Bellaire, Erwin Czech | 1998-09-29 |
| 5738693 | Detection of naphthylamines in mineral oils | Rainer Dyllick-Brenzinger, Ulrike Schlosser, Gunther Lamm | 1998-04-14 |
| 5282894 | Use of a liquid containing IR dyes as printing ink | Bernhard Albert, Friedrich Closs, Juergen Kipper, Karin H. Beck, Rudolf Griebel | 1994-02-01 |
| 5082498 | Highly concentrated solid pigment formulations | Karl Muench, Joachim Kranz, Horst Belde | 1992-01-21 |
| 4424155 | Aminoazo compounds | Gunther Lamm | 1984-01-03 |
| 4229343 | Azo dyes from an oxadiazolyl-substituted aniline | Helmut Junge, Peter Dimroth, Hans Scherer | 1980-10-21 |
| 4210583 | Azo dyes of the 2,6-di(substituted) amino pyridine series | Johannes Dehnert, Gunther Lamm | 1980-07-01 |
| 4206113 | Azo dyes having an oxdiazolyl-1,2,4 group | Peter Dimroth, Volker Radtke, Werner Juenemann | 1980-06-03 |
| 4203894 | Azo dyes containing sulfonic acid groups and oxdiazolyl radicals | Johannes Dehnert | 1980-05-20 |
| 4201710 | Azo dyes of the pyridone series useful for flowable printing inks | Dieter Horn, Walter Ditter | 1980-05-06 |