Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670020 | Foam separation method for reducing AOX, COD, and color bodies of kraft pulp bleach plant effluents | Caifang Yin | 1997-09-23 |
| 5626717 | Oxidative treatment of bleach plant effluent | Caifang Yin, Hugh P. Gallagher, Jasper H. Field | 1997-05-06 |