Changming Su
4Patents
2h-index
34Co-inventors
44Inventor score
Filing activity: Nov 21, 2003 → Nov 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7323434B2 | Electropositive production well treating fluid and method of preparing the same | Chemistry; Metallurgy | 2 | Expired |
| US8623791B2 | Copolymer and preparation method and application thereof | Chemistry; Metallurgy | 2 | Active |
| US10266617B2 | Cationic copolymer and use thereof in lost circulation additive | Chemistry; Metallurgy | 1 | Active |
| US11898099B1 | Fracturing propping agent and preparation method of fracturing propping agent by using oil sludge produced in exploited of oil and gas field | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.