Viscosity reduction system for microwave extraction of heavy oil and preparation method thereof
US-10767106-B2 · Sep 8, 2020 · US
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Univ China Petroleum patents in 2020
Univ China Petroleum was listed as an assignee on 3 patent publications in 2020.
| Metric | Value |
|---|---|
| Company | Univ China Petroleum |
| Year | 2020 |
| Patents | 3 |
Patents
Representative publications for Univ China Petroleum in 2020.
Top CPC classifications
Most common classification codes for Univ China Petroleum in 2020.
| CPC | Patents |
|---|---|
| C09K2208/10 | 2 |
| C09K8/58 | 2 |
| C09K8/584 | 2 |
| C09K8/592 | 2 |
| E21B43/24 | 2 |
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