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HENAN QINGSHUIYUAN TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    120,853
  • Filing trend
    ⇩ 50.0%
About

HENAN QINGSHUIYUAN TECH CO LTD has a total of 14 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, environmental technology and organic fine chemistry are ZHEJIANG SINO GEO CLEAN SOIL CO LTD, HU ZITIAN and ZHAN XILIN.

Patent filings in countries

World map showing HENAN QINGSHUIYUAN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing HENAN QINGSHUIYUAN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Liuyi 6
#2 Yang Haixing 6
#3 Du Hao 5
#4 Li Cui'E 5
#5 Jing Yuanyuan 5
#6 Cai Bin 4
#7 Ma Lina 4
#8 Wang Jielin 4
#9 Chen Weiping 4
#10 Yao Jinqian 4

Latest patents

Publication Filing date Title
CN112028785A Novel preparation method of green chelating agent glutamic acid diacetic acid sodium salt
CN112010769A Preparation method of green chelating agent methylglycine diacetic acid sodium salt
CN111808275A Fluorescent polyepoxysuccinic acid sodium and preparation method thereof
CN111116889A Method for preparing polyepoxysuccinic acid sodium by one-pot method
CN110078568A A kind of renovation agent and preparation method thereof suitable for southern acid paddy soil heavy metal pollution
CN110076194A A kind of bionic plant and application thereof based on the rising type removal heavy metal pollution of soil of acceleration
CN109971482A A kind of composite conditioner and preparation method thereof suitable for basic soil winter wheat cadmium pollution
CN109824593A Soluble quaternary ammonium fluorescent monomer, fluorescent polymer, and preparation method thereof
CN109879783A A kind of water-soluble fluorescent monomer, water soluble fluorescence tracer type water treatment agent and preparation method thereof
CN108165276A A kind of composite conditioner suitable for northern alkaline soil heavy metal pollution
CN107478773A A kind of constant temperature antisludging test instrument
CN107501563A A kind of dithionate's functionalization pentaerythrite core star dissaving polymer heavy metal stabilizer
CN106588979A Synthesis method for multistage power-free bubble-type (hydroxyethylidene)diphosphonic acid
CN106475035A Water-soluble polymer water treatment agent produces and uses tubular type synthesis system