Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989662 | Process for preparing 4-aminodiphenylamine | Xiaogen Feng, Nongyue Wang, Xiaohui Mao, Qianwen Cheng | 2011-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989662 | Process for preparing 4-aminodiphenylamine | Xiaogen Feng, Nongyue Wang, Xiaohui Mao, Qianwen Cheng | 2011-08-02 |