Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569286 | Method for the alkaline bleaching of pulp with a peroxyacid based oxygen bleaching species using an agglomerated bleach activator | John David Withenshaw, Jane Williams, Neil Anthony Turner | 2003-05-27 |
| 5800755 | Agglomerated active with controlled release | John David Withenshaw, William J. Wilson | 1998-09-01 |