Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893301 | Method of preparing polymethylene-polyphenyl-polyamine | Jiansheng Ding, Jianfeng Chen, Hongke Zhang, Haikui Zou, Weiqi Hua +3 more | 2011-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893301 | Method of preparing polymethylene-polyphenyl-polyamine | Jiansheng Ding, Jianfeng Chen, Hongke Zhang, Haikui Zou, Weiqi Hua +3 more | 2011-02-22 |