Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235914 | Amine and quaternary ammonium compounds made from ketones and aldehydes, and compositions containing them | Christopher J. Toney | 2001-05-22 |
| 5705681 | Diquaternary compounds useful as bleach activators | Shaun F. Clancy, Owen Portwood | 1998-01-06 |
| 5662827 | Diquaternary compounds useful as bleach activators, and compositions containing them | Shaun F. Clancy, Owen Portwood | 1997-09-02 |
| 5399746 | Diquaternary bleach activators and compositions containing them | Shaun F. Clancy, Owen Portwood | 1995-03-21 |