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CHANGZHOU WOTENG CHEMICAL TECH CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    126,010
  • Filing trend
    ⇧ 400.0%
About

CHANGZHOU WOTENG CHEMICAL TECH CO LTD has a total of 13 patent applications. It increased the IP activity by 400.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are HEILONGJIANG XINCHUANG BIOTECHNOLOGY DEV CO LTD, ZHEJIANG YONGTAI TECHNOLOGY CO LTD and BTC PHARMACEUTICALS TECH CO LTD.

Patent filings in countries

World map showing CHANGZHOU WOTENG CHEMICAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing CHANGZHOU WOTENG CHEMICAL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Honggong 6
#2 Wei Xinghong 5
#3 Cao Wei 3
#4 Wang Mingfeng 3
#5 Wang Zhichao 3
#6 Li Qiang 2
#7 Yuan Zhiwei 2
#8 Sun Fuqiang 1
#9 Hu Rong 1
#10 Cao Yuanyuan 1

Latest patents

Publication Filing date Title
CN112159349A Synthetic method of 2,3, 5-trichloropyridine
CN111807943A Preparation method of cyclobutanone
CN111646907A Preparation method of 2, 3-dichloro-6-nitroaniline
CN111072517A Preparation method of 4-amino-2-trifluoromethyl benzonitrile
CN110669022A Micro-channel continuous preparation method of 5-methyl isoxazole-4-formic acid
CN110156697A A kind of economic synthetic method of 1,2- dimethyl -1,4,5,6- tetrahydropyrimidine
CN110003023A A kind of environmental-friendly N,N-dimethylformamide dimethylacetal preparation method
CN109265436A A kind of synthetic method of 4- methoxycarbonyl group -2- methylthiophene -3- sulfonic acid chloride
CN108752312A A method of new preparation 2- methyl -3- thiophene -5- methoxycarbonyl group sulfonic acid chlorides
CN108707109A A kind of preparation method of 2- methoxyl groups -4- trifluoromethyl pyridine -3- sulfonic acid chlorides
CN108299382A A kind of preparation method of articaine hydrochloride intermediate
CN108101844A The preparation method of 10,11- dihydros -10 oxo -5H- dibenzo [b, f] azepine * -5- formamides
CN107805197A A kind of synthetic method of cyclobutyl formate