Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434045 | Polyurea or polyurethane capsules | Li Xu, Lewis Michael Popplewell | 2019-10-08 |
| 10369094 | Hydrogel capsules and process for preparing the same | Li Xu | 2019-08-06 |
| 10226405 | Purified polyurea capsules, methods of preparation, and products containing the same | Li Xu, Carol Joyce | 2019-03-12 |