Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11311467 | Polyurea capsules prepared with a polyisocyanate and cross-linking agent | Yabin Lei, Li Xu, Lewis Michael Popplewell | 2022-04-26 |
| 10842721 | Purified polyurea capsules, methods of preparation, and products containing the same | Yabin Lei, Li Xu, Lewis Michael Popplewell | 2020-11-24 |
| 10226405 | Purified polyurea capsules, methods of preparation, and products containing the same | Yabin Lei, Li Xu | 2019-03-12 |
| 10099194 | Microcapsules produced from blended sol-gel precursors and method for producing the same | Yabin Lei, Lewis Michael Popplewell, Xiao Huang | 2018-10-16 |
| 9777244 | Hydrogel fragrance capsule, formulations and process for preparing the same | Yabin Lei, Xihua Lu, Li Xu | 2017-10-03 |
| 9763861 | Stable, flowable silica capsule formulation | Yabin Lei, Li Xu | 2017-09-19 |
| 9687424 | Polyurea capsules prepared with aliphatic isocyanates and amines | Yabin Lei, Li Xu, Lewis Michael Popplewell | 2017-06-27 |
| 8299011 | Encapsulated active materials | Yabin Lei, Lewis Michael Popplewell, Xihua Lu, Jeffrey James McElwee | 2012-10-30 |
| 7833960 | Encapsulated active material containing nanoscaled material | Yabin Lei, Lewis Michael Popplewell | 2010-11-16 |