Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066919 | Spherical rubber chemicals and the method for preparing the same | Nongyue Wang, Xiaogen Feng, Qianwan Cheng, Luxin Wang | 2011-11-29 |
| 7989662 | Process for preparing 4-aminodiphenylamine | Xiaogen Feng, Nongyue Wang, Ruibiao Yu, Qianwen Cheng | 2011-08-02 |