Issued Patents 2003
Showing 1–2 of 2 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 |