Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1126 | Treatment of sodium nitrite-containing boiler wastewater | Henry P. Sheng | 1993-01-05 |
| 5139679 | Treatment of wastewater containing citric acid and triethanolamine | Teh F. Yen, Jau R. Chen | 1992-08-18 |