Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416601 | Black perylene pigments | Peter Erk, Andreas Stohr, Arno Boehm, Walter Kurtz, Jin Mizuguchi | 2008-08-26 |
| 6980292 | Method for the production of dyestuff pastes | Claudia Sierakowski, Ines Mangels, Zenon Paul Czornij, Thomas Krüger, Peter Hoffmann +6 more | 2005-12-27 |
| 6535283 | Apparatus for spectroscopic analysis of a fluid medium by attenuated reflection | Camiel Heffels, Thomas Beuermann, Matthias Radle, Alfred Rennig, Jurgen Ettmuller | 2003-03-18 |
| 6242052 | Triboelectric chargeable coating powder | Christoph-Stephan Hilger, Rolf Boysen, Helmut Riestenpatt, Ulrike Schlosser, Erwin Czech +2 more | 2001-06-05 |
| 5512095 | Naphthalocyanines | Andres Carlos Garcia Espino, Bernhard Albert, Juergen Kipper | 1996-04-30 |
| 5352729 | Use of pigment formulations for the preparation of pastes, printing inks and coatings | Hermann Birkhofer, Walter Denzinger, Heinrich Hartmann, Juan Antonio Gonzalez Gomez, Paul Guenthert +4 more | 1994-10-04 |