Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985792 | Dispersion of aluminium oxide | Heinz Lach, Gerrit Schneider | 2011-07-26 |
| 7572854 | Dispersion of aluminium oxide | Gerrit Schneider, Heinz Lach | 2009-08-11 |
| 7241336 | Pyrogenically produced aluminum-silicon mixed oxides | Ronald Apel, Alfons Moster, Helmut Mangold, Ralph Brandes | 2007-07-10 |
| 7015270 | Cationic mixed-oxide dispersion, coating pigment and ink-absorbing medium | Christoph Batz-Sohn, Wolfgang Lortz | 2006-03-21 |
| 6808769 | Dispersion, coating composition, and recording medium | Christoph Batz-Sohn, Wolfgang Lortz | 2004-10-26 |
| 6695907 | Dispersions containing pyrogenic oxides | Rainer Golchert, Helmut Mangold | 2004-02-24 |
| 6680109 | Pyrogenically produced aluminum oxide | Peer Plambeck-Fischer, Volker Hamm, Helmut Mangold, Thomas Hennig | 2004-01-20 |