Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10160862 | Production of titanium dioxide pigment obtainable by the sulfate process with a narrow particle size distribution | Volker Juergens, Achim Abdin, Joerg Friedrich, Volker Schmitt | 2018-12-25 |
| 9962732 | Method for coating the surface of inorganic particles with silicon dioxide and at least one further inorganic compound | Norbert Beyer, Jud-Reginauld Fidalgo-Estevez, Heiko Frahm | 2018-05-08 |
| 9096762 | Method for surface treatment of inorganic pigment particles | Volker Juergens, Alexander Breyder, Frank Mersch, Volker Schmitt | 2015-08-04 |
| 8845803 | Method for the surface treatment of inorganic pigment particles | Volker Juergens, Alexander Breyder, Frank Mersch, Volker Schmitt | 2014-09-30 |
| 7988780 | Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufacture | Lydia Drews-Nicolai | 2011-08-02 |
| 7905953 | Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufacture | Lydia Drews-Nicolai | 2011-03-15 |
| 7763110 | Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufacture | Lydia Drews-Nicolai | 2010-07-27 |
| 7682441 | Weather resistant titanium dioxide pigment and a process for its production | Lydia Drews-Nicolai | 2010-03-23 |
| 7166157 | Method for the surface treatment of a titanium dioxide pigment | Lydia Drews-Nicolai, Lothar Elfenthal, Volker Schmitt | 2007-01-23 |
| 7147702 | Method for the surface treatment of a titanium dioxide pigment | Lydia Drews-Nicolai, Volker Jürgens, Volker Schmitt | 2006-12-12 |
| 7135065 | Method for the post-treatment of titanium dioxide pigments | Lydia Drews-Nicolai | 2006-11-14 |