Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062988 | Process for the production of a catalyst preparation and use of the catalyst preparation | Bernd Proft, Regina Optehostert, Jochen Winkler, Klaus Pipplies, Michael Wedler | 2011-11-22 |
| 6660243 | Titanium dioxide methods of production | Bernd Proft, Barbara Seling, Sonja Weyand | 2003-12-09 |
| 5656716 | Titanium-containing catalyst and process for the production of polyester | Wolfgang Schmidt, Ulrich Thiele, Wolf-Dieter Griebler, Bernd Hirthe | 1997-08-12 |