Learn more

NANTONG WANNIANCHANG PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    102,493
  • Filing trend
    ⇧ 300.0%
About

NANTONG WANNIANCHANG PHARMACEUTICAL CO LTD has a total of 16 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and chemical engineering are ZHEJIANG JIUZHOU PHARM CO LTD, JIANGSU CHANGQING AGROCHEMICAL CO LTD and DALIAN JOIN KING FINE CHEMICAL CO LTD.

Patent filings in countries

World map showing NANTONG WANNIANCHANG PHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing NANTONG WANNIANCHANG PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bao Yehua 12
#2 Li Kai 12
#3 Jiang Ming 9
#4 Gu Liqun 7
#5 Xu Chenbing 7
#6 Bao Tiantian 4
#7 Zhang Lingli 3
#8 Wang Min 3
#9 Zhu Hongtao 3
#10 Zeng Qinghua 2

Latest patents

Publication Filing date Title
CN111978286A Method for preparing ATS-8
CN110041373A The recovery method of noble metal catalyst in a kind of production procedure of centre Lei Dipawei
CN109956885A A kind of preparation method of posaconazole intermediate
CN109942412A The recyclable device of aceticanhydride in a kind of 5- bromo indole preparation process
CN110218162A The continuous preparation method of one kind (R) -4- cyano-3-hydroxy ethyl butyrate
CN109928892A A kind of preparation method of high purity N-Hamposyl L
CN108484419A The improved method of hydrolysis process in a kind of L- benzene glycinol preparation process
CN108623484A A kind of preparation of L- benzene glycinol and synthetic method
CN108774153A The preparation method of one kind (S) -4- chloro-3-hydroxyl butyronitrile
CN108484407A A kind of preparation method of Atorvastatin calcium intermediate
CN107311206A The preparation method of lithium carbonate in a kind of production procedure of Atorvastatin centre
CN105646324A Preparation method of high-purity indole
CN105368886A Process of using resin-immobilized halohydrin dehalogenase to catalytically synthesize (R)-4-cyan-3-hydroxy ethyl butyrate
CN104151258A Method and apparatus for recycling tetrahydrofuran solvent during reduction reaction of L-phenylglycinol
CN104151226A Extracting recycle method of indole from indole synthesis waste water
CN104193642A Method and system for vacuum distillation deminization of N,N-dimethyl capramide