Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8556993 | Laundering process for whitening synthetic textiles | Robert Hochberg, Oliver Becherer, Bernard Schultz, Rene Schlatter | 2013-10-15 |
| 7566349 | Amphoteric fluorescent whitening agents | Peter Rohringer, Ian J. Fletcher | 2009-07-28 |
| 7247174 | Amphoteric fluorescent whitening agents | Peter Rohringer, Ian J. Fletcher | 2007-07-24 |
| 7166564 | Optical brighteners | Hauke Rohwer, Rene Schlatter, Robert Hochberg | 2007-01-23 |