Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537959 | Bleach catalyst and composition and method for bleaching a substrate | Ronald Hage, Stephen W. Russell, David Tetard | 2003-03-25 |
| 6432900 | Ligand and complex for catalytically bleaching a substrate | Ronald Hage, David Tetard, Robin Stefan Twisker | 2002-08-13 |
| 6242409 | Composition and method for bleaching a substrate | Ronald Hage, Gerrit Van Der Voet | 2001-06-05 |