Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538657 | Polymer blends in the form of aqueous dispersions or powders that can be redispersed in water | Hans-Peter Weitzel, Ulf Dietrich, Klas Sorger | 2020-01-21 |
| 9216927 | Gypsum-containing construction material compounds | Wolfgang Hagen | 2015-12-22 |
| 7956113 | Hydrophobicizing additives | Stefan Killat | 2011-06-07 |
| 7744694 | Use of redispersion powder compositions with accelerated-setting action | Hans-Peter Weitzel, Hermann Lutz | 2010-06-29 |
| 7388047 | Redispersible powders comprising pozzolanic components | Hans-Peter Weitzel, Hermann Lutz, Stefan Killat | 2008-06-17 |
| 6566434 | Vinyl aromatic-1,3-diene copolymers stabilized with protection colloids used for modifying materials containing plaster or calcium carbonate | Theo Mayer, Reinold Härzschel, Hans-Peter Weitzel | 2003-05-20 |