Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11725338 | Method for producing bleached wood fibre material | Stefan Erren, Martin Schachtl, Pavel Vassilievitch Osipov | 2023-08-15 |
| 11015290 | Method for producing bleached wood fibre material | Stefan Erren, Martin Schachtl, Pavel Vassilievitch Osipov | 2021-05-25 |
| 11001439 | Sealed reusable bulk material container | Stefan Erren, Eberhard Beckmann, Reinhard Schneider | 2021-05-11 |
| 9121135 | Use of sodium dithionite in pulping | Stefan Erren, Martin Schachtl | 2015-09-01 |