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ZHEJIANG SANMEI CHEMICAL IND CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    79,331
  • Filing trend
    ⇩ 62.0%
About

ZHEJIANG SANMEI CHEMICAL IND CO LTD has a total of 21 patent applications. It decreased the IP activity by 62.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and materials and metallurgy are BATALIN OLEG E, SISAS and TIRTOWIDJOJO MAX M.

Patent filings in countries

World map showing ZHEJIANG SANMEI CHEMICAL IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing ZHEJIANG SANMEI CHEMICAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Xiaodong 15
#2 Xu Qingrui 11
#3 Li Fei 7
#4 Zhan Linxi 6
#5 Xu Yu 6
#6 Hu Bin 4
#7 Wu Yehua 4
#8 Wu Chenxing 4
#9 Hu Qixiang 3
#10 Hu Shengwei 3

Latest patents

Publication Filing date Title
CN111848333A Preparation method of 1-chloro-3, 3, 3-trifluoropropene
CN111892480A Preparation method of 1-chloro-3, 3, 3-trifluoropropene
CN110563547A preparation method of 1,1,1,4,4, 4-hexafluoro-2-butene
CN110563546A Preparation method of 1,1,2,3, 3-pentachloropropane
CN110615728A Preparation method of monofluoroethane and catalyst for preparing monofluoroethane
CN110627614A Preparation method of E-1,3,3, 3-tetrafluoropropene
CN110590493A Preparation method of high-purity hexafluoroethane
CN110590494A Method for synthesizing 1,1,1,4,4, 4-hexafluoro-2-butene in illumination environment
CN110590496A Method for continuously synthesizing cis-1, 1,1,4,4, 4-hexafluoro-2-butene in gas phase
CN110624578A Preparation method of supported catalyst for synthesizing 1,1,2,3, 3-pentachloropropane
CN109438170A A kind of preparation method of 2,3,3,3- tetrafluoropropenes
CN109438171A A kind of method that gas phase continuously synthesizes 2,3,3,3- tetrafluoropropene
CN109608302A A kind of preparation method of 2,3,3,3- tetrafluoropropenes
CN107311836A A kind of method that tetrachloro-ethylene prepares pentafluoroethane
CN107376952A A kind of preparation method of HFC-134a catalyst
CN107216234A A kind of method that use vinylidene chloride catalytic fluorination prepares a fluorine dichloroethanes
CN107266285A A kind of method that trichloro ethylene prepares HFC-134a
CN107285991A A kind of method that F-22 is prepared with chloroform fluorination
CN107188779A A kind of method of purification of pentafluoroethane
CN107382661A A kind of recovery method of difluoromono-chloroethane