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WUHAN YOUJI IND CO LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    79,200
  • Filing trend
    ⇧ 50.0%
About

WUHAN YOUJI IND CO LTD has a total of 27 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and macromolecular chemistry and polymers are QIANJIANG YONGAN PHARMACEUTICAL CO LTD, TIANJIN CHANGLU NEW CHEMICAL MAT CO LTD and JEVTIC RADMILA.

Patent filings in countries

World map showing WUHAN YOUJI IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing WUHAN YOUJI IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Bo 22
#2 Huang Zhengwang 21
#3 Mao Limin 18
#4 Shu Zhencao 12
#5 Li Yi 11
#6 Nie Shaochun 8
#7 Zhou Feng 7
#8 Cheng Juan 7
#9 Yuan Peng 6
#10 Chen Bo 5

Latest patents

Publication Filing date Title
CN112225889A Method for continuously synthesizing chlorohydrin rubber by using kneading reactor
CN111606790A System and method for continuously producing high-quality and high-selectivity benzaldehyde and benzoic acid by using jet loop reactor
CN111517928A Benzyl ether oxidation process
CN111393286A Device and process for purifying benzoic acid by step-by-step circulating crystallization
CN110961067A Continuous reaction device and method for benzoic acid hydrogenation
CN110606798A Method for preparing benzyl alcohol by using microchannel reactor without alkali
CN110038491A It is bubbled tower apparatus and its method for liquid-phase oxidation of toluene production benzoic acid
CN109851478A A kind of dibenzyl alcohol method of purification
CN110015954A The production method of food additives sodium benzoate
CN109320417A Utilize the device and method of partition tower purification Ergol
CN109593037A The method of fragrance grade Ergol is recycled from benzoic acid distillation residual liquid
CN108821948A The method that benzyl alcohol rectifying by-product recovery recycles
CN107501098A The discoloration method of benzoic acid heavy byproducts Ergol
CN108151345A Heat recovery method and its device are reacted during toluene liquid phase catalytic oxidation
CN106390855A Device and method for continuously producing spherical sodium benzoate
CN106220578A A kind of new benzoguanamine production method
CN106279052A The production method that benzoguanamine is new
CN105017020A Allylidene diacetate synthesis method
CN104817457A Method for preparation of methyl benzoate from recovered benzoic acid oxidized high boiling product
CN104003871A Method for preparing benzyl acetate by using butyl benzyl phthalate rectified low-boiling-point substances