Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8835535 | Aqueous dispersions of silica for increasing early strength in cementitious preparations | Ulrich Fischer, Philipp Wieland, Christian Huebsch, Harald Grassl, Stefanie Scheul +1 more | 2014-09-16 |
| 8227559 | Vinyl ester maleic acid derivative copolymers | Jochen Mezger, Alexander Kraus, Harald Grassl | 2012-07-24 |
| 8053498 | Pulverulent polycondensation products | Philipp Wieland, Alexander Kraus, Gerhard Albrecht, Harald Grassl | 2011-11-08 |
| 7910640 | Polycondensation product based on aromatic or heteroaromatic compounds, method for the production thereof, and use thereof | Philipp Wieland, Alexander Kraus, Gerhard Albrecht, Harald Grassl | 2011-03-22 |