Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9848619 | Chewing gums and gum bases comprising block copolymers having crystallizable hard blocks | Les Morgret, David R. Phillips, Rafael Edmundo Bras | 2017-12-26 |
| 9771509 | Polymer elastic particle reservoir protecting agent and drilling fluid containing the same | Kaihe Lv, Jinsheng Sun | 2017-09-26 |
| 9701884 | Nanometer film structured reservoir protecting agent, drilling fluid containing the same and use thereof in low-permeability reservoirs | Jinsheng Sun, Kaihe Lv | 2017-07-11 |
| 9683160 | Composition comprising a nanometer film structured reservoir protecting agent and a water block preventing agent, and drilling fluid containing the same and use thereof for drilling in low-permeability reservoirs | Jinsheng Sun, Kaihe Lv | 2017-06-20 |