Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668745 | Brightening agent comprising acylpyridinium compounds and defined alkalizing agents | Wibke Gross, Ralph Nemitz, Astrid Kroos, Frank Janssen, Astrid Kleen +1 more | 2014-03-11 |
| 8597371 | Lightening agent comprising acyl pyridinium compounds and cationic polysaccharides | Wibke Gross, Ralph Nemitz, Astrid Kroos, Frank Janssen, Astrid Kleen +1 more | 2013-12-03 |
| 8323356 | Sulfonimines as bleaching activators | Wibke Gross, Ralph Nemitz, Astrid Kroos | 2012-12-04 |