Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348662 | Process for removing heavy metals from aqueous solutions | Richard C. Spung | 1994-09-20 |
| 5338460 | Sulfide precipitation of heavy metals from aqueous solutions | — | 1994-08-16 |
| 5312992 | Process for removing sulfur from organic sulfides | Roger T. Clark, Michael J. Lindstrom, Glenn T. Carroll | 1994-05-17 |