US 10729624
High-ultraviolet absorption lignin/chemical sun-screening agent microcapsule and preparation method therefor
granted A61KA61K2800/412A61K8/11
Quick answer
US patent 10729624 (High-ultraviolet absorption lignin/chemical sun-screening agent microcapsule and preparation method therefor) held by South China University of Technology expires Mon Jul 30 2040 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- South China University of Technology
- Grant date
- Tue Aug 04 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 30 2040 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 9
- CPC classes
- A61K, A61K2800/412, A61K8/11, A61K8/35, A61K8/37