Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885412 | Inhibition of hydrogen peroxide decomposing enzymes during bleaching of cellulose fibers | Enn Paart, Peter Wållberg | 1999-03-23 |
| 4372811 | Alkaline oxygen delignification and bleaching of cellulose pulp in the presence of aromatic diamines | Hans O. Samuelson | 1983-02-08 |