Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344795 | Biological and chemical composite blockage removing agent and preparation process and use thereof | Yong Meng, Weidong Zhang, Ou Sha, Xinning Bao, Jun Jin +1 more | 2025-07-01 |
| 12331246 | Polyacrylamide-based symmetric branched polymer surfactant and a process for preparing the same and use thereof | Zhiqing Su, Yanmin Xia, Hui SUN, Hui Xu, Yixing Zhu +1 more | 2025-06-17 |
| 12180419 | Alkylaniline polyether benzenesulfonate and process of producing same | Xinning Bao, Weidong Zhang, Ou Sha, Xinyue Wu, Jun Jin | 2024-12-31 |
| 12037541 | Anionic-cationic-nonionic surfactant, production and use thereof | Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen +2 more | 2024-07-16 |
| 11920083 | Surfactant composition, and manufacturing method and application of same | Songyuan Gu, Weidong Zhang, Xinning Bao, Zhiqin Shen, Hengzhi Tang +1 more | 2024-03-05 |
| 11578253 | Surfactant composition, and manufacturing method and application of same | Songyuan Gu, Weidong Zhang, Xinning Bao, Zhiqin Shen, Hengzhi Tang +1 more | 2023-02-14 |
| 11286416 | Surfactant composition and preparation method therefor and application thereof | Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen +2 more | 2022-03-29 |
| 11193055 | Surfactant composition and preparation method therefor and application thereof | Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen +2 more | 2021-12-07 |
| 11186764 | Anionic-cationic-nonionic surfactant, production and use thereof | Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen +2 more | 2021-11-30 |
| 10723936 | Surfactant composition, and manufacturing method and application of same | Songyuan Gu, Weidong Zhang, Xining Bao, Zhiqin Shen, Hengzhi Tang +1 more | 2020-07-28 |
| 10526528 | Surfactant composition and preparation method therefor and application thereof | Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen +2 more | 2020-01-07 |
| 10400156 | Anionic-cationic-nonionic surfactant, production and use thereof | Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen +2 more | 2019-09-03 |
| 8376621 | Washer and motor bearing system comprising the same | Shen Zhang | 2013-02-19 |
| 8337088 | Shock absorption device for motor bearing system | Shen Zhang | 2012-12-25 |
| 8322930 | Washer and motor bearing system comprising the same | Shen Zhang | 2012-12-04 |