Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597873 | Process and apparatus for the recovery of metal oxide particles | — | 2009-10-06 |
| 6946105 | Process and apparatus for the recovery of metal oxide particles | — | 2005-09-20 |
| 6797240 | Process and apparatus for the extraction and regeneration of acids from spent acids | — | 2004-09-28 |
| 6451280 | Process for regeneration of acids from spent acids | — | 2002-09-17 |
| 6214310 | Process for the extraction and regeneration of acids from spent acids | — | 2001-04-10 |
| 5980850 | Process and plant for extraction or recovery of acids from solutions of these acids | — | 1999-11-09 |
| 5939041 | Process and apparatus for removing metal oxide particles in the regeneration of pickling acids | — | 1999-08-17 |