Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792250 | Process for the production of inorganically coated pigments and fillers | Rolf Braun, Jurgen Kischkewitz, Udo Holtmann | 1998-08-11 |
| 5174817 | Process for the calcination of filter cakes with high solids contents being partly pre-dried in a directly heated rotary kiln | Bernd Holle, Peter Beumer, Rolf Braun, Jurgen Kischkewitz, Gerhard Wiederhoft | 1992-12-29 |
| 4344799 | Readily dispersible TiO.sub.2 pigment | Klaus Kohler, Peter Woditsch, Fritz Rodi | 1982-08-17 |
| 4304758 | Hydrolyzable titanyl sulphate solutions by decomposition of ternary raw material mixtures | Walter Gutsche, Peter Woditsch, Peter Panek | 1981-12-08 |