Sijun LEI

Person

Wuhan, Hubei, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Ammonium carboxylate compound, crystalline form, amorphous form and...
- Patent number 11,161,803
- Issue date Nov 2, 2021
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD.
- Bo Zhang
- C07 - ORGANIC CHEMISTRY
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
CD73 INHIBITOR AND USE THEREOF
- Publication number 20230399314
- Publication date Dec 14, 2023
- WUHAN HUMANWELL INNOVATIVE DRUG RESEARCH AND DEVELOPMENT CENTER LIMITED COMPANY
- Xuejun ZHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Salts Of Nitrogen-Containing Heterocyclic Compound, And Solid Forms...
- Publication number 20230312582
- Publication date Oct 5, 2023
- Wuhan Humanwell Innovative Drug Research And Development Center Limited Company
- Xuejun Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PYRIMIDINE COMPOUND AND PREPARATION METHOD THEREFOR
- Publication number 20220204479
- Publication date Jun 30, 2022
- WUHAN HUMANWELL INNOVATIVE DRUG RESEARCH AND DEVELOPMENT CENTER LIMITED COMPANY
- Xuejun ZHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AMMONIUM CARBOXYLATE COMPOUND, CRYSTALLINE FORM, AMORPHOUS FORM AND...
- Publication number 20200055812
- Publication date Feb 20, 2020
- WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Bo ZHANG
- C07 - ORGANIC CHEMISTRY
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
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

Person

Patents Grantslast 30 patents

Ammonium carboxylate compound, crystalline form, amorphous form and...

Potassium salt of benzimidazole compound and preparation method the...

Crystalline form of chemical compound, and preparation method, comp...

Patents Applicationslast 30 patents

CD73 INHIBITOR AND USE THEREOF

Salts Of Nitrogen-Containing Heterocyclic Compound, And Solid Forms...

PYRIMIDINE COMPOUND AND PREPARATION METHOD THEREFOR

AMMONIUM CARBOXYLATE COMPOUND, CRYSTALLINE FORM, AMORPHOUS FORM AND...

COMPOUND AND PREPARATION METHOD THEREFOR, COMPOSITION AND APPLICATI...

CRYSTALLINE FORM OF CHEMICAL COMPOUND, AND PREPARATION METHOD, COMP...