Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988780 | Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufacture | Siegfried Bluemel | 2011-08-02 |
| 7905953 | Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufacture | Siegfried Bluemel | 2011-03-15 |