Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540907 | Process for preparing high solids content titanium dioxide suspension with a dechlorinating agent | Siegfried Blumel, Achim Hartmann, Hans Thumm, Hans-Hermann Luginsland | 1996-07-30 |
| 5393510 | High solids content titanium dioxide suspension | Siegfried Blumel, Achim Hartmann, Hans Thumm, Hans-Hermann Luginsland | 1995-02-28 |
| 5215580 | Process for the production of a fine particle titanium dioxide | Lothar Elfenthal, Edgar Klein | 1993-06-01 |
| 4759800 | Process for the improvement of titanium dioxide pigments by post-treatment | Hans-Hermann Luginsland | 1988-07-26 |
| 4268422 | Titanium dioxide hydrate of a particular structure and process of manufacture thereof | Heinrich Becker, Edgar Klein, Helmut Weber | 1981-05-19 |