Process for preparing metal-chelate retarder by sol-gel method
US-11603488-B2 · Mar 14, 2023 · US
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Chen Zuwei patents
Chen Zuwei is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chen Zuwei |
| Total patents | 4 |
| First publication | Dec 17, 2020 |
| Latest publication | Mar 14, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings
US-11345844-B2 · May 31, 2022 · US
Process for preparing metal-chelate retarder by sol-gel method
US-2021079288-A1 · Mar 18, 2021 · US
Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings
US-2020392393-A1 · Dec 17, 2020 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C04B28/02 | 4 |
| C09K8/467 | 4 |
| C04B2103/0086 | 2 |
| C04B2103/20 | 2 |
| C04B40/0039 | 2 |