Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7855265 | Use of ester-modified organopolysiloxanes for producing cosmetic or pharmaceutical compositions | Oliver Thum, Michael Ferenz, Christian Hartung | 2010-12-21 |
| 7842129 | Lacquer formulation for improving surface properties | Hans-Dieter Christian, Reinhard Behl, Hans W. Kohler, Uwe Schmeier | 2010-11-30 |
| 7815936 | Use of granular materials based on pyrogenically produced silicon dioxide in pharmaceutical compositions | Steffen Hasenzahl, Jürgen Heym | 2010-10-19 |
| 7780937 | Granules based on pyrogenically prepared silicon dioxide, method for their preparation and use thereof | Monika Oswald, Klaus Deller | 2010-08-24 |
| 7722714 | Fumed silica dispersion | Gunther Michael, Thorsten Ladwig, Pedro Cavaleiro | 2010-05-25 |
| 7713626 | Silanised silicas | Mario Scholz | 2010-05-11 |
| 7597881 | Use of ester quats in compositions as sand-repellent substances | Burghard Gruning, Klaus Jenni, Ralf Mathiak, Christian Weitemeyer | 2009-10-06 |
| 7563317 | Silicas | Stephanie Frahn, Manfred Ettlinger | 2009-07-21 |
| 7563839 | Silicone rubber mixtures | Mario Scholz | 2009-07-21 |
| 7452600 | Silica | Stephanie Frahn, Manfred Ettlinger | 2008-11-18 |
| 7402293 | Surface-modified, aerogel-type structured silica | Horst Zeizinger, Manfred Ettlinger, Hans-Dieter Christian | 2008-07-22 |
| 7303624 | Structurally coated silica | Kurt Spitznagel, Hans-Dieter Christian | 2007-12-04 |
| 7285330 | Texture-coated silica | Kurt Spitznagel, Hans-Dieter Christian | 2007-10-23 |
| 7255735 | Surface-modified silicon dioxide-titanium dioxide mixed oxides | Kai Schumacher, Steffen Hasenzahl, Heike Riedemann, Ann Gray | 2007-08-14 |
| 7144930 | Functionalized, structurally modified silicas | Manfred Ettlinger, Stephanie Frahn | 2006-12-05 |
| 7069746 | Method for producing ultra-high purity, optical quality glass articles | Monika Oswald, Gerrit Schneider | 2006-07-04 |
| 6809149 | Functionalized silicas | Manfred Ettlinger, Stephanie Frahn, Dieter Kerner | 2004-10-26 |
| 6783442 | Nickel-diamond-coated saw wire with improved anchoring of the diamond particles | Jorg Lukschandel | 2004-08-31 |
| 6776588 | Dry compressing vacuum pump having a gas ballast device | Lutz Arndt, Thomas Dreifert, Michael Holzemer, Frank-Udo Schönborn | 2004-08-17 |
| 6752864 | Granules based on pyrogenically prepared silicon dioxide doped with aluminum oxide by means of an aerosol, method of producing same, and use thereof | Helmut Mangold, Peter Neugebauer | 2004-06-22 |
| 6722118 | Method for open-end rotor spinning | Manfred Lassmann | 2004-04-20 |
| 6593393 | Radiation-curing coating systems | Stephanie Frahn, Manfred Ettlinger | 2003-07-15 |
| 6508941 | Photocatalytic process | Hilmar Gilges, Ina Hemme, Anna Moiseev, Sven-Uwe Geissen | 2003-01-21 |
| 6475565 | Process for producing a clothing wire for open-end spinning | Jorg Lukschandel, Manfred Menge | 2002-11-05 |
| 6413490 | Granules based on pyrogenic titanium dioxide and a process for preparing the granules | Hilmar Gilges, Dieter Kerner | 2002-07-02 |