Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995264 | Coated proppants for fracking extraction methods | Abdulmajid Hashemzadeh, Stephan Karpfhammer, Arndt Schlosser | 2021-05-04 |
| 9593046 | Use of polypropylene oxide or ethylene oxide-propylene oxide copolymers in combination with starch ether derivatives as additive in dry mortar compositions | Reinhard Härzschel, Xi Zhang | 2017-03-14 |
| 8795842 | Fiber-containing pasty construction materials | Stefan Ingrisch, Jürgen Bezler, Jakob Mühlthaler | 2014-08-05 |
| 7972424 | Hydrophobing additive | Reinhard Härzschel, Franz Jodlbauer | 2011-07-05 |
| 7250468 | Polyvinyl-alcohol-stabilized redispersible powders with plasticizing properties | Reinhard Härzschel, Ulf Dietrich, Armin Hoffmann | 2007-07-31 |
| 7183358 | Hydrophobically modified polymers | Reinhard Härzschel, Franz Jodlbauer | 2007-02-27 |
| 6989191 | Composite paper material with a pressure-sensitive adhesive coating finished to be resistant to repulping | Rudolf Weissgerber | 2006-01-24 |
| 6590022 | Process for preparing protective-colloid-stabilized vinylaromatic-1,3-diene copolymers | Reinhard Haerzschel, Theo Mayer, Peter Weitzel, Peter Ball | 2003-07-08 |
| 6300403 | Method for producing polymers stabilized with protective colloids | Theo Mayer, Hans-Peter Weitzel, Reinhard Haerzschel | 2001-10-09 |
| 5994428 | Storage-stable, silane-modified core-shell copolymers | Hermann Lutz, Theo Mayer | 1999-11-30 |
| 5708093 | Core/shell copolymer dispersion whose shell comprises hydrolyzable organosilicon comonomers | Hermann Lutz, Peter Heiling | 1998-01-13 |