Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427115 | Hybrid fragrance encapsulate formulation and method for using the same | Michael V. Imperiale, Lewis Michael Popplewell, Franklin Pringgosusanto, Ralph Gencarelli | 2025-09-30 |
| 12419815 | Microcapsule compositions stabilized with viscosity control agents | Djurre Sijbren Postma, Hui Min LEE, Daniel K. Lee | 2025-09-23 |
| 12409113 | Polyurea or polyurethane capsules | Li Xu, Lewis Michael Popplewell | 2025-09-09 |
| 12409431 | Guar gum microcapsules | Takashi Sasaki, Lewis Michael Popplewell, Ronald Gabbard, Ryan CHIN, Julie Ann Wieland | 2025-09-09 |
| 12390783 | Protein microcapsules and method of preparing the same | Niels Akeroyd, Jeroen van Holland, Volkert Willem Alexander de Villeneuve, Robert Allan HUNTER, Ronald Gabbard +3 more | 2025-08-19 |
| 12303856 | Hydroxyethyl cellulose microcapsules | Yi Zhang, Li Xu, Ronald Gabbard, Lewis Michael Popplewell, Julie Ann Wieland +1 more | 2025-05-20 |
| 12303855 | Stable polyurea microcapsule compositions for aldehyde fragrances | Niels Akeroyd, Laura French, Robert Allan HUNTER, Lewis Michael Popplewell, Volkert Willem Alexander de Villeneuve +1 more | 2025-05-20 |
| 12274771 | Polyurea capsule compositions | Lewis Michael Popplewell, Li Xu, John Brahms, Xiang Fei | 2025-04-15 |
| 12269002 | Microcapsule compositions | Li Xu, Yi Zhang, Takashi Sasaki, Ronald Gabbard, Lewis Michael Popplewell | 2025-04-08 |
| 12048755 | Microcapsule compositions prepared from polysaccharides | Li Xu, Ronald Gabbard, Lewis Michael Popplewell | 2024-07-30 |
| 12013574 | Stable microcapsule compositions | Li Xu | 2024-06-18 |
| 11540985 | Stable microcapsule compositions | Li Xu | 2023-01-03 |
| 11491089 | Reloadable microcapsules | John Brahms, Julie Ann Wieland, Li Xu, Lewis Michael Popplewell | 2022-11-08 |
| 11458105 | Hybrid fragrance encapsulate formulation and method for using the same | Michael V. Imperiale, Lewis Michael Popplewell, Franklin Pringgosusanto, Ralph Gencarelli | 2022-10-04 |
| 11311467 | Polyurea capsules prepared with a polyisocyanate and cross-linking agent | Li Xu, Carol Joyce, Lewis Michael Popplewell | 2022-04-26 |
| 11224569 | Hydrogel capsules and process for preparing the same | Li Xu | 2022-01-18 |
| 10842721 | Purified polyurea capsules, methods of preparation, and products containing the same | Li Xu, Carol Joyce, Lewis Michael Popplewell | 2020-11-24 |
| 10555879 | Polyurea capsule compositions | Lewis Michael Popplewell, Li Xu, John Brahms, Xiang Fei | 2020-02-11 |
| 10537503 | Microcapsule compositions with high performance | Li Xu, John Brahms | 2020-01-21 |
| 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 |
| 10099194 | Microcapsules produced from blended sol-gel precursors and method for producing the same | Lewis Michael Popplewell, Xiao Huang, Carol Joyce | 2018-10-16 |
| 10092486 | Polyurea or polyurethane capsules | Li Xu, Lewis Michael Popplewell | 2018-10-09 |
| 10085925 | Polyurea capsule compositions | Lewis Michael Popplewell, Li Xu, John Brahms, Xiang Fei | 2018-10-02 |