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Hebei chengxin co ltd

Overview
  • Total Patents
    51
  • GoodIP Patent Rank
    38,038
  • Filing trend
    ⇩ 80.0%
About

Hebei chengxin co ltd has a total of 51 patent applications. It decreased the IP activity by 80.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and measurement are TIANJIN GUANGFU TECH DEV CO LTD, YANGZHOU LIANBO PHARMACEUTICAL CO LTD and HANGZHOU SFT NEW MATERIAL TECH CO LTD.

Patent filings in countries

World map showing Hebei chengxin co ltds patent filings in countries
# Country Total Patents
#1 China 51

Patent filings per year

Chart showing Hebei chengxin co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Chenliang 28
#2 Cheng Lihua 26
#3 Peng Yanli 15
#4 Jia Rongrong 15
#5 Liu Xu 12
#6 Li Yan 11
#7 Liu Shaohua 11
#8 Li Juan 8
#9 Zhang Yanzhang 8
#10 Yao Liguo 7

Latest patents

Publication Filing date Title
CN111825549A Synthesis method of n-butyl glycolate
CN110221014A Utilize the analysis method of unknown impuritie in the legal Cyanuric Chloride technique of gas chromatography mass spectrometry
CN110220992A A method of trace formaldehyde in measurement aminocarboxylates product
CN109738554A The method of micro phenylacetic acid in Solid Phase Extraction-liquid chromatogram combination measurement water
CN109738555A The measuring method of orthoformate content in a kind of orthoformate crude product
CN109761860A A method of reduction nitryl aromatic race substituent prepares amino aromatic series substituent
CN109810021A A kind of preparation method of a-cyanoacrylate
CN109851568A A kind of method of purification of prothioconazoles
CN109748783A A kind of preparation method of the chloro- 1- of 2- (1- chlorine cyclopropyl) ethyl ketone
CN109678758A A kind of synthetic method of a-cyanoacrylate
CN109796370A A kind of recovery method of a-cyanoacrylate dry glue
CN108440301A A kind of preparation method preparing adjacent nitro benzyl bromine
CN107759494A A kind of continuous preparation method of dicyandiamide sodium
CN107827777A A kind of synthetic method of malononitrile
CN107445959A A kind of preparation method of the ketone of 2 azabicyclos [2.2.1] 5 alkene in heptan 3
CN107235924A A kind of continuous production processes of Atrazine
CN107434253A A kind of continuous production technology and its production system of high-quality cyanide solution
CN106348317A Continuous production technique and production device of potassium ferrocyanide
CN106366019A Continuous cyaniding method in benzyl cyanide production
CN106349105A Preparation method of substituted benzyl cyanide