Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562185 | High-temperature resistant nano composite mining additive for mining heavy oil and super heavy oil and preparation process thereof | — | 2017-02-07 |
| 8859258 | Composite oil displacement agent containing a microorganism for oil displacement and a preparation method thereof | — | 2014-10-14 |