Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346588 | Process for the chlorine-free bleaching of cellulosic materials with ozone | Herbert Sixta, Gerhard Gotzinger, Anton Hoglinger, Wilfried Ruckl, Walter H. Peter +3 more | 1994-09-13 |