Biological and chemical composite blockage removing agent and preparation process and use thereof
US-12344795-B2 · Jul 1, 2025 · US
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Sha Ou patents
Sha Ou is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sha Ou |
| Total patents | 17 |
| First publication | Aug 10, 2017 |
| Latest publication | Jul 1, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Alkylaniline polyether benzenesulfonate and process of producing same
US-12180419-B2 · Dec 31, 2024 · US
Anionic-cationic-nonionic surfactant, production and use thereof
US-12037541-B2 · Jul 16, 2024 · US
Alkylaniline Polyether Benzenesulfonate and Process of Producing Same
US-2023242806-A1 · Aug 3, 2023 · US
Surfactant and Preparation Method Therefor
US-2022403225-A1 · Dec 22, 2022 · US
Biological and chemical composite blockage removing agent and preparation process and use thereof
US-2022363975-A1 · Nov 17, 2022 · US
Surfactant composition and preparation method therefor and application thereof
US-11286416-B2 · Mar 29, 2022 · US
Anionic-cationic-nonionic surfactant, production and use thereof
US-2022033705-A1 · Feb 3, 2022 · US
Surfactant composition and preparation method therefor and application thereof
US-11193055-B2 · Dec 7, 2021 · US
Anionic-cationic-nonionic surfactant, production and use thereof
US-11186764-B2 · Nov 30, 2021 · US
Recent patents
Latest publications not already listed above.
Surfactant composition and preparation method therefor and application thereof
US-2020087569-A1 · Mar 19, 2020 · US
Surfactant composition and preparation method therefor and application thereof
US-2020087570-A1 · Mar 19, 2020 · US
Surfactant composition and preparation method therefor and application thereof
US-10526528-B2 · Jan 7, 2020 · US
Anionic-cationic-nonionic surfactant, production and use thereof
US-2019330516-A1 · Oct 31, 2019 · US
Anionic-cationic-nonionic surfactant, production and use thereof
US-10400156-B2 · Sep 3, 2019 · US
Anionic-cationic-nonionic surfactant,production and use thereof
US-2017313928-A1 · Nov 2, 2017 · US
Surfactant composition and preparation method therefor and application thereof
US-2017226406-A1 · Aug 10, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 17 |
| Shanghai Res Inst Petrochemical Tech Sinopec | 15 |
| Shanghai Res Inst Of Petrochemical Tech Sinopec | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/584 | 17 |
| E21B43/16 | 6 |
| C07C309/10 | 6 |
| C07C237/40 | 6 |
| C07C233/36 | 6 |