P

Inventor

TU GUOLIANG

CN7 patents
⚠️ This page may combine multiple inventors who share the name “TU GUOLIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHEJIANG HUAHAI PHARM CO LTD

3 patents
US11919884B2Mar 5, 2024

Method for preparing voriconazole L-camphorsulphonate and voriconazole

ZHEJIANG HUAHAI PHARM CO LTD0 citations44
US10227293B2Mar 12, 2019

Method for preparing citalopram diol intermediate

ZHEJIANG HUAHAI PHARM CO LTD0 citations44
US10633368B2Apr 28, 2020

Voriconazole intermediate and voriconazole synthesis method

ZHEJIANG HUAHAI PHARM CO LTD0 citations32

ZHEJIANG HUAHAI PHARMACEUTICALS CO LTD

2 patents
US10508076B2Dec 17, 2019

Method for resolution of citalopram intermediate 5-cyano diol

ZHEJIANG HUAHAI PHARMACEUTICALS CO LTD0 citations40
US10287240B2May 14, 2019

Method for resolution of citalopram intermediate 5-cyano diol

ZHEJIANG HUAHAI PHARMACEUTICALS CO LTD0 citations40

LINHAI HUANAN CHEMICAL CO LTD

1 patent
US12091375B2Sep 17, 2024

Preparation method for triphenylchloromethane

LINHAI HUANAN CHEMICAL CO LTD0 citations50

ZHEJIANG HUAHAI LICHENG PHARMACEUTICAL CO LTD

1 patent
US10961194B2Mar 30, 2021

Method for purifying ropinirole hydrochloride

ZHEJIANG HUAHAI LICHENG PHARMACEUTICAL CO LTD0 citations40