Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628872 | Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor | Ake Backlund, Lars Stigsson | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628872 | Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor | Ake Backlund, Lars Stigsson | 1997-05-13 |