Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5932757 | Mixture of oligomers of condensed alkylalkoxysilanes | Burkhard Standke, Roland Edelmann, Albert-Johannes Frings, Michael Horn, Peter Jenkner +3 more | 1999-08-03 |
| 5540907 | Process for preparing high solids content titanium dioxide suspension with a dechlorinating agent | Siegfried Blumel, Achim Hartmann, Hans Thumm, Franz Rosendahl | 1996-07-30 |
| 5393510 | High solids content titanium dioxide suspension | Siegfried Blumel, Achim Hartmann, Hans Thumm, Franz Rosendahl | 1995-02-28 |
| 4759800 | Process for the improvement of titanium dioxide pigments by post-treatment | Franz Rosendahl | 1988-07-26 |