Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887619 | Adsorptive filter material | — | 2011-02-15 |
| 6589321 | Filter material useful for gas filtration and having biocidal properties | — | 2003-07-08 |
| 6300276 | Granular activated carbon from distillation residues | Ernest De Ruiter, Gerhard Heuberger | 2001-10-09 |