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QI CHEM CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    144,684
About

QI CHEM CO LTD has a total of 12 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and chemical engineering are CASALE SACCHI MARIA, BRITISH HYDROCARBON CHEM LTD and ZHEJIANG XIESHI NEW MAT CO LTD.

Patent filings in countries

World map showing QI CHEM CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing QI CHEM CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhang Hongxue 12
#2 Jiang Dianbao 11
#3 Han Xiaodong 4
#4 Sun Faming 3
#5 Sun Liqin 2
#6 Pei Xiong 2
#7 Zhang Suiying 1
#8 Jiang Bin 1
#9 Yang Yongzheng 1
#10 Yuan Feng 1

Latest patents

Publication Filing date Title
CN112159329A Co-production preparation method of o-amino trifluoromethoxybenzene and m-amino trifluoromethoxybenzene
CN111825531A Preparation method of 2-bromo-4-fluoro-6-methylphenol
CN111004149A Method for preparing polyfluorobenzonitrile by catalytic fluorination of polychlorinated benzonitrile
CN110937983A Method for producing trichloromethoxybenzene by using hexafluorobenzene as solvent
CN111072455A Method for continuously preparing pentafluorophenol by microreactor
CN111004095A Method for continuously/semi-continuously preparing trichloromethoxybenzene compounds
CN111004089A Method for preparing bromopentafluorobenzene from pentafluorobenzoic acid in one step
CN111072502A Method for preparing aniline compound by continuous hydrogenation of fixed bed
CN111004096A Synthetic method of 2, 6-dichlorobenzaldehyde
CN111072470A Method for preparing 2, 5-dimethyl phenylacetyl chloride
CN111039845A Preparation method of 4-fluoro-7-bromoisatin
CN111004150A Synthesis method of substituted benzoyl isocyanate