Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10464813 | Process for recovery and purification of nitrous oxide | Peng Zhang | 2019-11-05 |
| 7884220 | Process for purifying PPPBP | Zhongqi Xu, Tong Sun, Jingwu Yang | 2011-02-08 |
| 7528210 | Method of purification of dihydric phenols | Tong Sun, Jan Plen Lens, Sunil Ashtekar, Mahesh Malusare, Gurram Kishan +1 more | 2009-05-05 |