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ZUNYI BEIYUAN CHEMICAL CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    170,155
About

ZUNYI BEIYUAN CHEMICAL CO LTD has a total of 12 patent applications. 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 NANTONG BAISHENG CHEMICAL CO LTD, SHANDONG EXCERIS CHEMICAL CO LTD and XIAO ZAOSHENG.

Patent filings in countries

World map showing ZUNYI BEIYUAN CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing ZUNYI BEIYUAN CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiang Jiajun 11
#2 Zhang Jiming 11
#3 Hu Jing 11
#4 Yang Jinming 9
#5 Yang Changman 7
#6 Yang Zhangman 2
#7 Jiang Shenggeng 2
#8 Shenggeng Jiang 1
#9 Jiming Zhang 1
#10 Jing Hu 1

Latest patents

Publication Filing date Title
CN106220476A A kind of low pressure catalytic prepares the method for pyrogallic acid
CN106242952A A kind of method preparing pyrogallic acid from Fructus Corni
CN106242950A A kind of method preparing pyrogallic acid
CN106242949A A kind of method that pyrogallic acid is prepared in high pressure aqueous phase decarboxylation
CN106146284A A kind of method that tannin biomass prepare gallic acid and pyrogallic acid
CN106220475A A kind of method preparing pyrogallic acid
CN106242966A A kind of method that gallic acid is prepared in hydrochloric acid hydrolysis
CN106242951A A kind of method preparing pyrogallic acid
CN106146285A A kind of sulphuric acid hydrolysis prepares the method for gallic acid
CN103449978A Asymmetric hindered phenol antioxidant and synthetic method thereof
CN102757313A Asymmetric hindered phenol antioxidant and synthesis method thereof
CN101838222A Preparation method of N-(4-ethoxycarbonylphenyl)-N'-ethyl-N'-phenylformamidine