Hongwei LI

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 1-isobutyryl-1′-((1-(4,4,4-trifluorobutyl)-4,...
- Patent number 10,858,322
- Issue date Dec 8, 2020
- Shandong Danhong Pharmaceutical Co., Ltd.
- Weihua Shi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Indole derivative used as CRTH2 inhibitor
- Patent number 10,800,765
- Issue date Oct 13, 2020
- Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
- Yuanshan Yao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Crystal form B of 1-isobutyryl-1′-((1-(4,4,4-trifluorobutyl)-4,5,6,...
- Patent number 10,633,347
- Issue date Apr 28, 2020
- SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
- Weihua Shi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Crystal form A of 1-isobutyryl-1′-((1-(4,4,4-trifluorobutyl)-4,5,6,...
- Patent number 10,227,309
- Issue date Mar 12, 2019
- SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
- Weihua Shi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
TRICYCLIC COMPUND AS CRTH2 INHIBITOR
- Publication number 20210403466
- Publication date Dec 30, 2021
- CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
- Bin CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 1-ISOBUTYRYL-1'-((1-(4,4,4-TRIFLUORO-BUTYL)-4...
- Publication number 20200223802
- Publication date Jul 16, 2020
- SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
- Weihua SHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INDOLE DERIVATIVE USED AS CRTH2 INHIBITOR
- Publication number 20190248770
- Publication date Aug 15, 2019
- CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
- Yuanshan YAO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CRYSTAL FORM A OF 1-ISOBUTYRYL-1'-((1-(4,4,4-TRIFLUOROBUTYL)-4,5,6,...
- Publication number 20190218189
- Publication date Jul 18, 2019
- SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
- Weihua SHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING IMIDAZOLE DERIVATIVE AND INTERMEDIATE THEREOF...
- Publication number 20180141915
- Publication date May 24, 2018
- SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
- Weihua SHI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE