Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384953 | Strongly adsorbed hyper-branched filtrate reducer for water-based drilling fluid with resistance to 240° C. and saturated salinity, preparation method therefor and use thereof | Jinsheng Sun, Jingping Liu, Kaihe Lv, Meichun Li, Jiafeng Jin +3 more | 2025-08-12 |