Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374333 | Method for minimizing pulp mill effluents | Tuomo Nykanen, Johan Gullichsen, Erkki Kiiskila, Esko Mattelmaki, Joseph R. Phillips +4 more | 1994-12-20 |
| 5338366 | Acid pre-hydrolysis reactor system | Todd S. Grace, Mark D. Barrett, Vic L. Bilodeau, Gary L. McCarty, J. Robert Prough +1 more | 1994-08-16 |
| 5328564 | Modified digestion of paper pulp followed by ozone bleaching | Jian E. Jiang, Joseph R. Phillips | 1994-07-12 |