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HUBEI DONGFANG CHEMICAL IND CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    41,147
  • Filing trend
    ⇩ 36.0%
About

HUBEI DONGFANG CHEMICAL IND CO LTD has a total of 39 patent applications. It decreased the IP activity by 36.0%. Its first patent ever was published in 2013. 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 RHENO AG, CIE DES EAUX ET DE L OZONE and SINOCHEM FULING CHONGQING CHEMICAL INDUSTRY CO LTD.

Patent filings in countries

World map showing HUBEI DONGFANG CHEMICAL IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing HUBEI DONGFANG CHEMICAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Xueming 18
#2 Xiang Lei 15
#3 Chen Yun 15
#4 Shen Peng 12
#5 Wang Binbin 11
#6 Zhou Shuliang 10
#7 Liu Qiang 8
#8 Huang Peihe 7
#9 Zhu Xiqiang 6
#10 Zhang Jun 5

Latest patents

Publication Filing date Title
CN111678127A Device and method for controlling returned ash of material returning device of circulating fluidized bed boiler
CN111649321A Ash discharge device and ash discharge method for settling chamber of circulating fluidized bed boiler
CN111644019A Production method of nitrogen oxide gas full-automatic pressure absorption process
CN111620504A Production method of novel process for treating prewashing wastewater in polynitrotoluene production
CN111603869A Novel polynitrotoluene dust collection process
CN111494980A System and method for nitrotoluene melt crystallization
CN111609724A Device for collecting and discharging accumulated liquid in multistage vacuum unit equipment system
CN111389324A System and method for mixed washing and separation of nitro compounds
CN110355870A One kind being based on pipe support maintenance process process
CN110344603A A kind of improvement type sour water pond maintenance and renovation method
CN110227328A A kind of nitric acid flue gas that the rate of recovery is high absorption processing method
CN110195859A A kind of material return device for circulating fluidized bed boiler returning charge wind stabilization control device and method
CN110160986A The rapid assay methods of spent acid density in a kind of TNT production
CN110170185A A kind of device and method of Waste Sulfuric Acid nitro compound separation
CN109621479A Production technology for 400 microns of ammonium perchlorate
CN109627170A The method for extracting poly-nitro toluene from nitrotoleune acid waste water
CN109320422A A kind of acid waste water extracts the device of poly-nitro toluene
CN109319884A Separate the filter that mononitrotoluene is emulsified in acid water
CN108862753A The method of nitrobenzene wastewater electrochemistry advanced treating
CN108793080A The processing method of the useless medicine of ammonium perchlorate