Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692209 | Recovery of chemicals from pulp waste liquor | Sven Santen, Ragnar Bernhard | 1987-09-08 |
| 4601786 | Recovery of chemicals from pulp waste liquor with plasma generator heating | Sven Santen, Ragnar Bernhard | 1986-07-22 |