Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9175122 | Preparation method of hyperbranched polycarboxylic acid containing copolymer cement dispersant | Changwen Miao, Min Qiao, Qianping Ran, Jianping Liu, Dongliang Zhou +1 more | 2015-11-03 |