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ZHANGJIAGANG WEISHENG BIOLOG PHARCEUTICAL CO LTD

Overview
  • Total Patents
    13
About

ZHANGJIAGANG WEISHENG BIOLOG PHARCEUTICAL CO LTD has a total of 13 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are MITSUMA GIKEN KK, SAKAI YAKUHIN KK and CHIKUMA KASEI KK.

Patent filings in countries

World map showing ZHANGJIAGANG WEISHENG BIOLOG PHARCEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing ZHANGJIAGANG WEISHENG BIOLOG PHARCEUTICAL CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zhang Mei 13
#2 Peng Xuedong 13
#3 Zhao Jinzhao 13
#4 Yan Yongyi 2
#5 Yang Lian 1
#6 Chen Xiaolong 1
#7 Qi Ya Nan 1
#8 Gong Min 1
#9 Yang Yanli 1
#10 Chen Yaping 1

Latest patents

Publication Filing date Title
CN103351320A Preparation method of (S)-1-(2-chloroacetyl)-pyrrolidine-2-formamide
CN103353485A High performance liquid chromatography for detecting quinine sulfate content
CN103351311A Synthesis method of diphenylacetonitrile
CN103353487A High performance liquid chromatography method for determination of lumefantrine content
CN103353498A High performance liquid chromatography method for determining content of artemisinin in artemisinin extract
CN103351291A Technology for semisynthesis of phloretin from natural phlorizin
CN103353486A High performance liquid chromatography method for determining content of quinine sulfate in quinine sulfate tablet
CN103351326A Synthesis process of important pharmaceutical chemical intermediate 4-nitroindole
CN103351280A Simple preparation process of 9-fluorenemethanol
CN103351382A Optimized synthesizing method of sunitinib malate
CN103351362A Preparation method of manidipine intermediate 2-(4-diphenylmethyl piperazinyl)ethyl acetoacetate
CN103351338A Simple preparation process of higenamine hydrochloride
CN103351418A Semi-synthesis process of active natural compound betulinic acid