Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853536 | Method for ozone bleaching of cellulosic pulp at low consistency | Derek Hornsey, John R. Ayton, Michel Epiney | 1998-12-29 |
| 5688367 | Method of monitoring and recovering oxygen-rich gas from ozone bleaching | Derek Hornsey, John R. Ayton | 1997-11-18 |