Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548012 | Process to treat metal or mineral ores and collector composition therefor | Andrew Clist Lewis | 2023-01-10 |
| 7183434 | Process for the continuous quaternization of tertiary amines with an alkyl halide | Jacobus Van Den Berg | 2007-02-27 |