Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9051222 | Slow and controlled release polymeric sulfur fertilizer containing multiple nutrient elements and method for preparing the same | Guizhe ZHAO, Dongdong Cheng, Lifeng Zhou, Denghui WU | 2015-06-09 |
| 7753984 | Slow and controlled-release polymeric fertilizer with multiple nutrients, preparing process for the same and the use method of the same | Guizhe ZHAO, Futian Zhu, Xueyi Liu | 2010-07-13 |