Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833856 | Process for biologically removing phosphorus and nitrogen from wastewater by controlling carbohydrate content therein | Yanhua Liu | 1998-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833856 | Process for biologically removing phosphorus and nitrogen from wastewater by controlling carbohydrate content therein | Yanhua Liu | 1998-11-10 |