Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8981034 | Method for preparing polyaryletherketone-based copolymer by using quaternary copolymerization technology | Rongtang Ma | 2015-03-17 |
| 8916674 | Method for preparing terpolymer of poly (diphenyl ether sulfone) and poly (diphenyl sulfone) | Rongtang Ma, Xiangbin Zeng | 2014-12-23 |
| 8389665 | Method for preparing terpolymer of poly (biphenyl sulfone ether) and poly (ether sulfone) | Rongtang Ma | 2013-03-05 |
| 7265196 | Controlled crosslinked polyaryletherketone material with improved properties and a process by producing the same | Wanjin Zhang, Chunhai Chen, Xincai Liu, Xiaogang Zhao, Youhai Yu +2 more | 2007-09-04 |