Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221200 | Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and use | Christian Wassmer, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn | 2019-03-05 |
| 9796738 | Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and use | Christian Waßmer, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn | 2017-10-24 |
| 8980960 | Methods for producing a dispersion containing silicon dioxide particles and cationization agent | Stefan Scharfe, Christoph Batz-Sohn, Burkhard Standke, Christian Wassmer, Heinz Lach | 2015-03-17 |
| 8747541 | Dispersion containing silica particles surface-modified with quaternary, aminofunctional organosilicon compounds | Stefan Scharfe, Christoph Batz-Sohn, Heinz Lach, Burkhard Standke, Christian Wassmer | 2014-06-10 |
| 8092587 | Stable aqueous dispersions of precipitated silica | Florian Zschunke, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn, Heinz Lach +4 more | 2012-01-10 |