Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861346 | Stable aqueous suspension of partial oxidation ash, slag and char containing polyethoxylated quaternary ammonium salt surfactant | Mitri S. Najjar, Farokh Yaghmaie | 1989-08-29 |
| 4808194 | Stable aqueous suspensions of slag, fly-ash and char | Mitri S. Najjar, Farrokh Yaghmaie | 1989-02-28 |