Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605580 | Bleaching composition | Dirk Johannes Bijl, Ronald Hage, Jan Kevelam, Jean Hypolites Koek, Dennis S. Murphy +2 more | 2003-08-12 |
| 6562774 | Bleaching composition | Dirk Johannes Bijl, Ronald Hage, Jan Kevelam, Jean Hypolites Koek, Dennis S. Murphy +2 more | 2003-05-13 |
| 6495502 | Bleaching composition for dry cleaning containing transition metal bleach catalyst | Dirk Johannes Bijl, Ronald Hage, Jan Kevelam, Jean Hypolites Koek, Dennis S. Murphy +2 more | 2002-12-17 |
| 6479447 | Bleaching composition for dry cleaning containing transition metal bleach catalyst | Dirk Johannes Bijl, Ronald Hage, Jan Kevelam, Jean Hypolites Koek, Dennis S. Murphy +2 more | 2002-11-12 |