Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917763 | Method of recovering chemical from spent pulp liquors | Sven Santen, Ragnar Bernhard | 1990-04-17 |
| 4615285 | Method of destroying hazardous wastes | Lars Bentell | 1986-10-07 |