Inventor

WANG ZHEQING

US6 patents

⚠️ This page may combine multiple inventors who share the name “WANG ZHEQING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KingChem LLC

2 patents

US8871947B2Oct 28, 2014

Preparation of alkyl 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid ester

KingChem LLC1 citations41

US9139507B2Sep 22, 2015

Process for the preparation of alkyl 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylate and its analogs

KingChem LLC0 citations32

LIANYUNGANG JINKANG HEXIN PHARMACEUTICAL CO LTD

1 patent

US9150982B2Oct 6, 2015

Crystal form of (6S)-5-methyltetrahydrofolate salt and method for preparing same

LIANYUNGANG JINKANG HEXIN PHARMACEUTICAL CO LTD4 citations65

WANG ZHEQING

1 patent

US7692015B2Apr 6, 2010

Economical process for preparing (S, S)-2, 8-diazabicyclo[4.3.0]nonane and its enantiomer

WANG ZHEQING2 citations46

APELOA KANGYU

1 patent

US7964723B2Jun 21, 2011

And practical process for exclusively producing (S)-9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3,de][1,4]benzoxazine-6-carboxylic acid hemihydrate

APELOA KANGYU1 citations32

KINGCHEM LIFE SCIENCE LLC

1 patent

US10611745B2Apr 7, 2020

Process for preparing 5-phenoxy-1(3)isobenzofuranone

KINGCHEM LIFE SCIENCE LLC0 citations27