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WUHAN QINGJIANG HUANGGANG CHEMICAL CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    140,079
  • Filing trend
    ⇩ 100.0%
About

WUHAN QINGJIANG HUANGGANG CHEMICAL CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, chemical engineering and organic fine chemistry are HENAN HONGDONGFANG CHEMICAL CO LTD, AQUAFORTUS TECH LIMITED and JIANGXI SELON IND CO LTD.

Patent filings in countries

World map showing WUHAN QINGJIANG HUANGGANG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing WUHAN QINGJIANG HUANGGANG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ouyang Zhaohui 12
#2 Zhou Jianfeng 11
#3 Chen Yang 11
#4 Yan Zhibin 8
#5 Zhu Chuansheng 7
#6 Wan Senbo 5
#7 Wang Zhigang 5
#8 Jian Li 4
#9 Zhang Hengming 3
#10 Cai Meiling 3

Latest patents

Publication Filing date Title
CN110655044A Reagent sulfuric acid production device and process
CN110639337A SO based on sulphuric acid apparatus for producing2Wet gas extraction process
CN110589779A Sulfuric acid system production liquid SO3Practical and safe process
CN110523220A A kind of reagent of sulfuric acid production removing SO2Device and method
CN110562934A Dry-process slag-discharging cleaning device and method for pyrite-based sulfuric acid production
CN110119131A A kind of novel veratraldehyde processing method and system of processing
CN110317152A A kind of O- methyl-N methyl-N '-nitro isourea production method
CN110002472A The industrial method of by-product sodium sulphate continuous production sodium hydrogensulfite
CN108249408A A kind of mother liquor regeneration method of sodium citrate legal system sulfur dioxide liquid
CN106631746A Method for recovering veratraldehyde from veratraldehyde rectification residual liquid
CN106699610A Process and device for producing dimethyl sulfate with low methyl ether content
CN106477772A A kind of high phosphorus trade effluent dephosphorization and its reclamation of phosphorus resource method