Wei FENG

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Wuhan, Hubei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Complex disintegrant system for oral solid preparation and oral sol...
- Patent number 11,786,471
- Issue date Oct 17, 2023
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO. LTD.
- Yaowen Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pharmaceutical preparation and use thereof
- Patent number 11,337,972
- Issue date May 24, 2022
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD.
- Xiaojing Hu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Oral solid preparation and use thereof
- Patent number 11,013,736
- Issue date May 25, 2021
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD.
- Lei Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Potassium salt of benzimidazole compound and preparation method the...
- Patent number 11,008,311
- Issue date May 18, 2021
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD.
- Sijun Lei
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline form of chemical compound, and preparation method, comp...
- Patent number 10,611,757
- Issue date Apr 7, 2020
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Sijun Lei
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PHARMACEUTICAL PREPARATION AND USE THEREOF
- Publication number 20210052579
- Publication date Feb 25, 2021
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Xiaojing HU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COMPOUND AND PREPARATION METHOD THEREFOR, COMPOSITION AND APPLICATI...
- Publication number 20190389848
- Publication date Dec 26, 2019
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Sijun LEI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COMPLEX DISINTEGRANT SYSTEM FOR ORAL SOLID PREPARATION AND ORAL SOL...
- Publication number 20190328673
- Publication date Oct 31, 2019
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Yaowen WAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ORAL SOLID PREPARATION AND USE THEREOF
- Publication number 20190314368
- Publication date Oct 17, 2019
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Lei LIANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CRYSTALLINE FORM OF CHEMICAL COMPOUND, AND PREPARATION METHOD, COMP...
- Publication number 20190177312
- Publication date Jun 13, 2019
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Sijun LEI
- C07 - ORGANIC CHEMISTRY