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ZENG ZHOUHUA

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    63,100
About

ZENG ZHOUHUA has a total of 33 patent applications. 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, chemical engineering and materials and metallurgy are DONGLI NANTONG CHEMICALS CO LTD, CHEM SYSTEMS and WEIHAI HANFU BIOCHEMICAL PHARMACEUTICAL CO LTD.

Patent filings in countries

World map showing ZENG ZHOUHUAs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing ZENG ZHOUHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeng Zhouhua 33
#2 Yang Shuibin 22
#3 Huang Linyong 19
#4 Zeng Kun 13
#5 Zeng Caihong 8
#6 Liu Xiaohui 7
#7 Wang Hainan 6
#8 Chen Wen 6
#9 Ran Jingwen 5
#10 Xie Yuqiao 5

Latest patents

Publication Filing date Title
CN108239031A The method for producing ethiprole intermediate by-product low-carbon ester
CN108217641A The method of nitrous oxides exhaust gas production ferric nitrate recycling diamond
CN108218781A The method of by-product low-carbon ester in ethiprole intermediate production process
CN108220617A The method and device of iron displacement copper is replaced with diamond waste material
CN108211669A Nitrous oxides exhaust gas recycles the method and device of diamond waste product
CN108218780A The method that acid flux material is recycled in ethiprole precursor production process
CN108217642A The diamond recovery method of non-wastewater discharge
CN108217643A The method and apparatus that chlorine recycles diamond
CN108203377A Polyphosphoric acids concentrates the simple and easy method and device of dilute formic acid
CN108203375A The method that phosphorus pentoxide concentrates dilute formic acid
CN108203411A A kind of method of high-pressure synthesis metronidazole
CN108206313A The method of precious material in circulation and stress old metal
CN108203374A Phosphorus pentoxide haze concentrates the method and device of dilute formic acid
CN108203380A The method that formic acid solvent is recycled in metronidazole production process
CN106927460A Reaction accelerator and its application method that diamond is reclaimed
CN106925192A Easy device that diamond is reclaimed and preparation method thereof
CN106890559A Negative pressure storage method of purification treatment nitrogen oxides
CN106895005A Without bottom valve centrifugal pump is poured water exhaust apparatus and application method
CN105879634A Method and device for recovering diamonds through metronidazole nitration waste gas
CN105884690A Method for preparing 2-phenylimidazole