Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034122 | Bleaching agent comprising 2-acylpyridinium derivatives | Wibke Gross, Ralph Nemitz | 2011-10-11 |
| 8021438 | Cationic acylpyridinium derivatives for use as bleach activators | Wibke Gross, Ralph Nemitz, Astrid Kleen | 2011-09-20 |
| 7981166 | Bleaching agent having cationic acyl pyridinium derivatives, co-bleaching activators and hydrogen peroxide | Wibke Gross, Ralph Nemitz, Kristin Mielich | 2011-07-19 |