Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511578 | Bleaching and delignifying cellulosic pulp using caroate/caro's acid solution | Maximilian Dorn, Michael Gnann, Sven Gutewort | 2003-01-28 |
| 4572825 | Process for bleaching natural chalk | Heinrich Dammann | 1986-02-25 |