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SHANGHAI PUYI CHEMICAL TECH CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    67,059
  • Filing trend
    ⇧ 50.0%
About

SHANGHAI PUYI CHEMICAL TECH CO LTD has a total of 24 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, biotechnology and measurement are JIANGSU HANSYN PHARMACEUTICAL CO LTD, NANJING OCEAN PHARMACEUTICAL TECH CO LTD and JIMING PHARMATECH SUZHOU LTD.

Patent filings in countries

World map showing SHANGHAI PUYI CHEMICAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing SHANGHAI PUYI CHEMICAL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Tao 21
#2 Wang Bo 14
#3 Yang Hanrong 8
#4 Qi Yantao 4
#5 Tao Rongsheng 2
#6 Tu Changgang 2
#7 Luo Yu 1
#8 Liu Chunyi 1
#9 Jiang Luanjun 1
#10 Li Dongqiang 1

Latest patents

Publication Filing date Title
CN112159358A Preparation method of oxalagogri intermediate
CN111393394A Synthesis method of butyrolactone compound
CN111187175A Method for preparing intermediate of brivaracetam by hydrogenation of microchannel reactor
CN110746334A Method for preparing 3- (3-chloropropyl) -4-oxopyrrolidine-1-carboxylic ester
CN110938016A Method for preparing 2-aminobutyronitrile by using microchannel reactor
CN111943832A Method for preparing 2, 2-dimethylmalonic acid by continuous flow
CN111825589A Method for preparing anhydrous peroxyacetic acid solution by using microchannel reactor
CN111073916A Preparation method of D-2-aminobutanamide
CN110615744A Buvalracetam intermediate and preparation method thereof
CN110386884A A kind of preparation method of florfenicol midbody compound
CN109384701A It is a kind of to be used to prepare compound and the preparation method and application thereof of the Sha Ku than song
CN108794339A The preparation method of one kind (1R, 2S) -2,6- dimethyl -1- amido indanes
CN107686852A A kind of preparation method of moxifloxacin intermediate compound
CN107686480A A kind of method for preparing nebivolol epoxides individual isomer
CN107677735A A kind of HPLC analysis methods of (S) 2 aminopropanol
CN107677734A A kind of UPLC analysis methods of SN-38
CN107673967A A kind of preparation method of α fluoro propionyl acetic acid esters
CN107674046A A kind of purification process of atazanavir epoxide intermediates
CN107674039A A kind of preparation method than his western intermediate
CN107663164A A kind of fluorine cuts down the preparation technology of alcohol ketone