Xishan CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Controlled-release system of active pharmaceutical ingredient and p...
- Patent number 11,911,513
- Issue date Feb 27, 2024
- SHANGHAI WD PHARMACEUTICAL CO., LTD
- Liang Chang Dong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pharmaceutical composition and preparation method therefor and use...
- Patent number 11,759,417
- Issue date Sep 19, 2023
- SHANGHAI WD PHARMACEUTICAL CO., LTD
- Liang Chang Dong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
CONTROLLED-RELEASE SYSTEM OF ACTIVE PHARMACEUTICAL INGREDIENT AND P...
- Publication number 20210169811
- Publication date Jun 10, 2021
- SHANGHAI WD PHARMACEUTICAL CO., LTD
- Liang Chang DONG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PHARMACEUTICAL COMPOSITION AND PREPARATION METHOD THEREFOR AND USE...
- Publication number 20210015737
- Publication date Jan 21, 2021
- SHANGHAI WD PHARMACEUTICAL CO., LTD
- Liang Chang DONG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE