Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8232226 | Method for producing spherical activated carbon | Raik Schönfeld | 2012-07-31 |
| 8147589 | Method for producing spherical activated carbon | Raik Schönfeld | 2012-04-03 |
| 8021463 | Method for producing spherical activated carbon | Raik Schönfeld | 2011-09-20 |
| 7538069 | Spherical active carbon | Raik Schönfeld | 2009-05-26 |