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JIANGSU QINGQUAN CHEMICAL CO LTD

Overview
  • Total Patents
    35
  • GoodIP Patent Rank
    62,928
  • Filing trend
    ⇧ 100.0%
About

JIANGSU QINGQUAN CHEMICAL CO LTD has a total of 35 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are EUROTECNICA CONTRACTORS AND EN, JIANGSU ZHENGDAN CHEMICAL IND CO LTD and SUZHOU RES INSTITUTE OF LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES.

Patent filings in countries

World map showing JIANGSU QINGQUAN CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 35

Patent filings per year

Chart showing JIANGSU QINGQUAN CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Xianming 8
#2 Zhang Hao 5
#3 Hong Junjie 5
#4 Zhao Chengye 5
#5 Dong Liuhong 4
#6 Xu Tieyong 4
#7 Pan Zhiwei 4
#8 Li Zijian 4
#9 Liu Guilin 4
#10 Zuo Xueshun 4

Latest patents

Publication Filing date Title
CN109111388A A kind of production method of furans amination preparation pyrroles
CN109317140A It is a kind of to be used to prepare γ-acetylpropyl alcohol catalyst and its application
CN109160871A A method of add hydrogen to prepare n-amyl alcohol by gamma-valerolactone
CN108976183A A method of by preparation by furfural gas phase hydrogenation for gamma-valerolactone
CN108997266A A kind of 2,2- bis- (2- furyl) propane adds the method for hydrogen 2,2- bis- (2- tetrahydrofuran base) propane
CN108906101A The catalyst of one kind for hydrogenation synthesis 4,4 '-diaminodiphenyl ether and preparation method thereof, application
CN108530403A A method of being used to prepare 2,2 '-two (furyl) propane
CN108355706A Multistage porous molecular sieve, preparation method and its application in synthesizing diamino diphenylmethane derivatives
CN107353186A A kind of method for preparing 1,3 cyclohexanediones
CN106986777A The method that 4,4 ' MDA derivatives are prepared using microreactor
CN106957233A A kind of method for synthesizing the diamino-dicyclohexyl methane of 3,3 ' dimethyl 4,4 '
CN106994344A The method and catalyst of toluenediamine selection Hydrogenation methyl cyclohexane diamines
CN106631819A Preparation method of 1,2-cyclohexyldiamine
CN106554263A A kind of preparation method of cyclopropyl methyl ketone
CN106083529A The preparation method of a kind of hydrogenated bisphenol A and bisphenol-A catalyst for hydrogenation
CN105669371A Production method of trimethylolethane
CN105669370A Preparation method of trimethylolethane
CN105713191A Technology for producing polyether amine through continuous hydrogen ammonification
CN105732370A Method for preparing dioctyl 1,4-cyclohexanedicarboxylate
CN105439993A Preparation method of 2-carbonylfuran compounds