Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932268 | Use of polyurethane powder as inner additive of redispersible polymer powder | Hartmut Kuehn, Margarita Perello, Sonja Scharlemann | 2018-04-03 |
| 9745459 | Redispersible polymer powder | Hartmut Kuehn, Margarita Perello, Sonja Scharlemann | 2017-08-29 |
| 9296653 | Dry mix formulations containing carboxylated styrene-butadiene redispersible polymer powders and alumina rich containing cements | Linda Kim-Habermehl, Liang Hong, Sean M. Keenan, Hartmut Kuehn, Margarita Perello +3 more | 2016-03-29 |
| 9199881 | Styrene-butadiene based redispersible polymer powders with improved stability in cement applications | Etienne Lazarus, Gerold Lohmüller, Hartmut Kuehn, Margarita Perello, Sonja Scharlemann | 2015-12-01 |
| 8268927 | Redispersible polymer powders prepared from blends of carboxylate | Robert Baumann, Hartmut Kuehn, Etienne Lazarus, Gerold Lohmüller, Margarita Perello +1 more | 2012-09-18 |