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DONGYING HEYI CHEMICAL CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    171,360
About

DONGYING HEYI CHEMICAL CO LTD has a total of 11 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China, Germany and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry and materials and metallurgy are STRAITMARK HOLDING AG, ARTHUR BINZ and ASLEE BIOPHARMACEUTICALS INC.

Patent filings in countries

World map showing DONGYING HEYI CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 9
#2 Germany 1
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing DONGYING HEYI CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Jun 8
#2 Yu Jingdong 3
#3 Zhou Shihao 3
#4 Zhang Bin 3
#5 Liu Ximin 3
#6 Sun Gangqiang 2
#7 Ma Xisheng 2
#8 Zhang Guixin 1

Latest patents

Publication Filing date Title
CN111574547A Preparation method of boron trifluoride tetrahydrofuran complex
CN111675730A Preparation method of boron trifluoride dimethyl ether complex
CN111205228A Boron trifluoride 2-methylimidazole complex and preparation method thereof
CN111825705A Preparation method of boron trifluoride dimethyl sulfide complex
CN108707161A A kind of preparation method of Boron Trifluoride Ethylamine complex compound
CN108409768A A kind of preparation method of boron trifluoride benzylamine complex compound
CN104355315A Method for co-production of propylene glycol during production of boron trifluoride
CN103012454A Method for preparing solid boron trifluoride acetonitrile complex and application thereof
CN103044474A Low temperature preparation method of boron trifluoride dimethyl carbonate complex compound