Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10160862 | Production of titanium dioxide pigment obtainable by the sulfate process with a narrow particle size distribution | Siegfried Bluemel, Achim Abdin, Joerg Friedrich, Volker Schmitt | 2018-12-25 |
| 9909011 | Method for coating the surface of inorganic solid particles, especially titanium dioxide pigment particles | Heiko Frahm, Joerg Friedrich, Mark Kaminski, Erwin Schmeier, Lydia Drews-Nicolai | 2018-03-06 |