Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857203 | Process for the removal of metal ions from an aqueous medium utilizing a coal gasifier slag composition | Daniel J. Najvar | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857203 | Process for the removal of metal ions from an aqueous medium utilizing a coal gasifier slag composition | Daniel J. Najvar | 1989-08-15 |