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SHANDONG KEYUAN PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    126,463
  • Filing trend
    ⇩ 83.0%
About

SHANDONG KEYUAN PHARMACEUTICAL CO LTD has a total of 14 patent applications. It decreased the IP activity by 83.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, measurement and chemical engineering are CHANGZHOU JIADE PHARMACEUTICAL TECH CO LTD, SHANGHAI SYNCORES TECH INC and TIANJIN CHANGLU CHEMICAL NEW MAT CO LTD.

Patent filings in countries

World map showing SHANDONG KEYUAN PHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SHANDONG KEYUAN PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lun Lijun 11
#2 Wu Yuliang 7
#3 Ren Xiaoliang 6
#4 Zhang Zhaoxing 5
#5 Yang Boyong 5
#6 Yin Qiming 5
#7 Wang Guanghong 5
#8 Chen Yuxi 5
#9 Sun Xuelian 4
#10 Wang Qian 3

Latest patents

Publication Filing date Title
CN111302996A Preparation method of high-chiral-purity chloromalastine fumarate
CN111087337A Method for splitting chloromalastine fumarate intermediate
CN110455936A CS in a kind of easy Esomeprazole sodium intermediate2Detection method
CN110252426A Bisulfate ion-sulfate radical type anion exchange resin preparation method
CN109438331A A method of preparing Ropivacaine intermediate
CN107445869A A kind of synthetic method of Metformin hydrochloride
CN107382750A A kind of preparation method of isoproterenol sulfate
CN107011188A A kind of preparation method of isoprenaline hydrochloride
CN107011187A A kind of preparation method of isoproterenol sulfate dihydrate
CN106831536A A kind of preparation method of gliclazide green synthesis process
CN106892856A A kind of preparation method of gliclazide crude product recrystallization
CN103739592A Method for producing esomeprazole sodium
CN103755685A Purifying and refining method of esomeprazole sodium
CN102134241A Synthesis method of xanthinol nicotinate