Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891227 | Aqueous dye preparations | Dietrich Hoffmann, Ulrike Schlosser, Erwin Czech, Walter Kurtz, Karin H. Beck +2 more | 1999-04-06 |
| 5296531 | Pigment preparations | Manfred Herrmann, Franz Leppmeier, Dietrich Lach | 1994-03-22 |
| 5082498 | Highly concentrated solid pigment formulations | Walter Kurtz, Karl Muench, Joachim Kranz | 1992-01-21 |
| 4983185 | Dyeing of leather with pigments | Rolf Streicher, Ortwin Schaffer, Paul Guenthert | 1991-01-08 |
| 4888124 | Preparation of stable dispersions of finely divided polyisocyanates and preparation of heat-crosslinkable isocyanate systems | Rainer Blum, Rolf Osterloh, Guenter Uhl | 1989-12-19 |
| 4849262 | Pigment printing pastes and dyeing liquors containing stable dispersions of finely divided solid polyisocyanates | Guenter Uhl, Rainer Blum | 1989-07-18 |
| 4474681 | Production of aqueous suspensions of finely divided titanium dioxide | Hans Langenfelder, Werner Hoerauf | 1984-10-02 |
| 4464203 | Highly concentrated, dust-free, solid and readily dispersible pigment formulations and their use | Eduard Hartmann, Ewald Daubach | 1984-08-07 |