Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759942 | Ion exchange resin catalyst for the synthesis of bisphenols and the process for preparing the same | Qiu Tan, Zuquan Jin, Zongzhang Liu, Bingjun Brian He | 1998-06-02 |