Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879154 | Phosphate-free dishwashing detergents comprising builder, bleaching agent, nonionic surfactant, copolymer and a phosphonate | Nadine Warkotsch, Johannes Zipfel, Arnd Kessler, Arno Dueffels, Thomas Holderbaum | 2011-02-01 |