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ZUNYI CITY BEIYUAN CHEMICAL CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    136,039
About

ZUNYI CITY BEIYUAN CHEMICAL CO LTD has a total of 12 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, biotechnology and foods and drinks are OHGEN RES LAB LTD, PHENOLCHEMIE GMBH and MATTKE TORSTEN.

Patent filings in countries

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

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hu Jing 12
#2 Zhang Jiming 12
#3 Yang Changman 12
#4 Huang Zeqi 8
#5 Zhang Hongtao 6
#6 Zhou Tingting 5
#7 Yang Jinming 4
#8 Jiang Jiajun 4

Latest patents

Publication Filing date Title
CN111807962A Method for directly producing propyl gallate by using tannic acid
CN111848393A Method for treating wastewater from production of gallic acid and propyl gallate
CN111747848A Method for catalytically synthesizing propyl gallate by using lignin-based catalyst
CN111763626A Method for catalytically synthesizing propyl gallate by using immobilized enzyme method
CN111850058A Method for synthesizing propyl gallate through tannic acid biocatalysis
CN111454143A Method for preparing gallic acid by hydrolyzing sulfuric acid capable of utilizing by-product
CN111548262A Method for preparing gallic acid by hydrochloric acid hydrolysis of byproduct
CN111517924A Method for producing pyrogallic acid by using tannic acid
CN106349036A 2,3,4,4'-tetrahydroxy benzophenone preparation method
CN106349047A Method using organic strong base to prepare gallic acid under normal pressure
CN106349022A Method using biphasic catalysis to prepare pyrogallic acid under normal pressure
CN106187703A A kind of preparation method of pyrogallic acid