Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044011 | Cleaning agents comprising a polycarbonate-, polyurethane-, and/or polyurea-polyorganosiloxane compound | Nadine Warkotsch, Marc-Steffen Schiedel, Johannes Zipfel | 2011-10-25 |
| 8012267 | Machine dishwashing method with separately metered liquid cleaning agents | Maren Jekel, Johannes Zipfel | 2011-09-06 |
| 7913639 | Display for indicating the depletion of cleaning agents or auxiliary cleaning agents | Jan Canavoi, Arno Duffels | 2011-03-29 |
| 7897554 | Cleaning compositions for glass surfaces | Haitao Rong, Wolfgang Wick, Matthias Schweinsberg | 2011-03-01 |
| 7879154 | Phosphate-free dishwashing detergents comprising builder, bleaching agent, nonionic surfactant, copolymer and a phosphonate | Nadine Warkotsch, Johannes Zipfel, Christian Nitsch, Arno Dueffels, Thomas Holderbaum | 2011-02-01 |