Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8545788 | Low-surface area fumed silicon dioxide powder | Stipan Katusic, Guido Zimmermann, Horst Miess, Witold Katerinak | 2013-10-01 |
| 8197791 | Aluminium oxide powder, dispersion and coating composition | Kai Schumacher, Juergen Flesch, Marcus Von Twistern, Volker Hamm, Matthias Schmitt +2 more | 2012-06-12 |
| 7749322 | Aluminium oxide powder produced by flame hydrolysis and having a large surface area | Kai Schumacher, Rainer Golchert, Roland Schilling, Christoph Batz-Sohn | 2010-07-06 |
| 7722849 | Pyrogenic silicon dioxide and a dispersion thereof | Helmut Mangold, Monika Oswald, Kai Schumacher, Heinz Lach, Gerrit Schneider | 2010-05-25 |
| 7686881 | Flame-hydrolytically produced titanium dioxide powder | Kai Schumacher, Andreas Schild | 2010-03-30 |
| 7541014 | Pyrogenically produced silica | Hauke Jacobsen, Kai Schumacher | 2009-06-02 |
| 7416600 | Silicon-titanium mixed oxide powder produced by flame hydrolysis | Kai Schumacher, Uwe Diener, Oswin Klotz | 2008-08-26 |
| 7306667 | Silicon-titanium mixed oxide powder | Kai Schumacher, Oswin Klotz, Uwe Diener | 2007-12-11 |
| 7083769 | Silicon-titanium mixed oxide powder prepared by flame hydrolysis, which is surface-enriched with silicon dioxide, and the preparation and the use thereof | Ina Hemme, Steffen Hasenzahl, Uwe Diener, Herbert Habermann | 2006-08-01 |