One-component type multi-functional fracturing fluid additive and process for preparing the same
US-11384282-B1 · Jul 12, 2022 · US
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Feng Xingen patents
Feng Xingen is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Feng Xingen |
| Total patents | 3 |
| First publication | Dec 26, 2019 |
| Latest publication | Jul 12, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
pH-responsive amphoteric surfactant n-lauryl-(α-alkyl)-β-aminopropionic acid and preparation method and uses thereof
US-10781165-B2 · Sep 22, 2020 · US
pH-RESPONSIVE AMPHOTERIC SURFACTANT N-LAURYL-(alpha-ALKYL)-beta-AMINOPROPIONIC ACID AND PREPARATION METHOD AND USES THEREOF
US-2019388858-A1 · Dec 26, 2019 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Shaanxi Univ Of Science & Technology | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/602 | 3 |
| C07C227/06 | 2 |
| C07C227/40 | 2 |
| C07C229/12 | 2 |
| C07C227/18 | 2 |