Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560439 | Hydroxypropyl starch for preparing empty capsules and hydroxypropyl starch-based soft capsules | — | 2023-01-24 |
| 9693964 | Hydroxypropyl starch vacant capsules and a process for producing them | Xiangfeng Wang, Jiawei Zhang | 2017-07-04 |
| 9339053 | Preparation process of a self-reinforced starch composite used to produce capsules | Nuozi Zhang, Xiangfeng Wang, Jiawei Zhang | 2016-05-17 |