Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044011 | Cleaning agents comprising a polycarbonate-, polyurethane-, and/or polyurea-polyorganosiloxane compound | Marc-Steffen Schiedel, Johannes Zipfel, Arnd Kessler | 2011-10-25 |
| 8044016 | Anti-grey detergent comprising a polycarbonate-, polyurethane-, and/or polyurea-polyorganosiloxane compound | Birgit Middelhauve, Marc-Steffen Schiedel, Thomas Eiting | 2011-10-25 |
| 7883549 | Graying-inhibiting liquid washing composition | Josef Penninger | 2011-02-08 |
| 7879154 | Phosphate-free dishwashing detergents comprising builder, bleaching agent, nonionic surfactant, copolymer and a phosphonate | Johannes Zipfel, Arnd Kessler, Christian Nitsch, Arno Dueffels, Thomas Holderbaum | 2011-02-01 |