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ZHEJIANG JIUZHOU PHARM CO LTD

Overview
  • Total Patents
    222
  • GoodIP Patent Rank
    13,907
  • Filing trend
    ⇧ 42.0%
About

ZHEJIANG JIUZHOU PHARM CO LTD has a total of 222 patent applications. It increased the IP activity by 42.0%. Its first patent ever was published in 2007. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, environmental technology and chemical engineering are NANTONG WANNIANCHANG PHARMACEUTICAL CO LTD, ZHEJIANG RAYBOW PHARMACEUTICAL CO LTD and JIANGSU CHANGQING AGROCHEMICAL CO LTD.

Patent filings per year

Chart showing ZHEJIANG JIUZHOU PHARM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Guoliang 56
#2 Che Daqing 55
#3 Li Yuanqiang 42
#4 Xu Jiankang 30
#5 Gao Hongjun 27
#6 Ye Meiqi 24
#7 Zhang Bin 22
#8 Zhang Xianyi 17
#9 Du Xiaohua 17
#10 Zhou Qilin 16

Latest patents

Publication Filing date Title
WO2021018085A1 Preparation method for hexahydrofurofuranol derivative, and intermediate of the derivative and preparation method therefor
WO2021017645A1 RACEMIC PREPARATION METHOD FOR CHIRAL β-AMINO ACID AND DERIVATIVE THEREOF
CN112062739A Preparation method for reducing lactone into hemiacetal
CN111187154A Synthetic method of sitagliptin intermediate 2,4, 5-trifluoro phenylacetic acid
CN110872230A Preparation method and intermediate of 1- (trifluoromethyl) cyclopropane-1-carboxylic acid compound
WO2019120000A1 METHOD FOR PREPARING β-AMINO ACID DERIVATIVE RICH IN ENANTIOMERS
CN110790708A Preparation method of Ailixipine intermediate
CN110790664A Asymmetric hydrogenation of gamma-or delta-keto acids
CN109956890A A kind of preparation method of sitagliptin intermediate
CN109134216A A kind of preparation method of trifluoromethyl substituted carboxylic acid compound
CN110128288A A kind of preparation method for the cyclopentane-carboxylic acid alkyl derivative that amino replaces
CN109896980A A kind of biological synthesis method of sitagliptin intermediate
CN109206357A A kind of general formula compound and its preparation method and application of gliclazide intermediate
CN109020808A A kind of preparation method of substituted phenylacetic acid derivative
CN108689878A The preparation method of optical activity diamino radical derivative
CN108569979A A kind of preparation process of Bezafibrate class compound
CN108456213A A kind of preparation method of the fluoro- 4- hydroxy cyclohexane carboxylics esters of 3-
CN108341771A A kind of preparation method of 3- cyano -2,6- dihydroxy-pyridine sodium hydrates
CN108238921A To the preparation method of methyl benzoyl chloride
CN107778192A A kind of preparation method of N alcoxyls or benzyloxycarbonyl group chirality propylhomoserin