Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180125 | Method for preparing weathered coal-derived humic acid/urea-formaldehyde slow-release fertilizer granules by reactive extrusion process with depolymerization-activation-polycondensation trinity and fertilization method | Yaqing Liu, Peng Gao, Guizhe ZHAO | 2024-12-31 |