Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632328 | Method for bleaching mechanical pulp with hydrogen peroxide and an alkaline earth metal carbonate | Jeffrey K. S. Wan | 2003-10-14 |
| 6059927 | Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps | Jeffrey K. S. Wan | 2000-05-09 |
| 6030495 | Method for increasing brightness in pulp paper and polymeric materials | Jeffrey K. S. Wan | 2000-02-29 |