Tian; Qiwei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tian; Qiwei.The latest application filed is for "cationic polymers and porous materials".
- Tian; Qiwei - Thuwal SA
| Patent | Date |
|---|---|
| Cationic polymers and porous materials Grant 11,066,491 - Han , et al. July 20, 2 | 2021-07-20 |
| Cationic polymers and porous materials Grant 10,988,556 - Han , et al. April 27, 2 | 2021-04-27 |
| Cationic Polymers And Porous Materials App 20200347157 - Han; Yu ; et al. | 2020-11-05 |
| Cationic Polymers And Porous Materials App 20200347158 - Han; Yu ; et al. | 2020-11-05 |
| Cationic polymers and porous materials Grant 10,759,881 - Han , et al. Sep | 2020-09-01 |
| Cationic Polymers And Porous Materials App 20190040159 - Han; Yu ; et al. | 2019-02-07 |
| Cationic polymers and porous materials Grant 10,196,465 - Han , et al. Fe | 2019-02-05 |
| Cationic Polymers And Porous Materials App 20180327523 - Han; Yu ; et al. | 2018-11-15 |
| Cationic Polymers And Porous Materials App 20170114157 - Han; Yu ; et al. | 2017-04-27 |
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