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SHANDONG DONGYUE CHEMICAL CO LTD

Overview
  • Total Patents
    35
  • GoodIP Patent Rank
    67,445
  • Filing trend
    ⇩ 20.0%
About

SHANDONG DONGYUE CHEMICAL CO LTD has a total of 35 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are ZHEJIANG QUZHOU JUXIN FLUORINE CHEMICAL CO LTD, FLORK LAB SA and RPC INC.

Patent filings in countries

World map showing SHANDONG DONGYUE CHEMICAL CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANDONG DONGYUE CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Xin 25
#2 Du Rongli 21
#3 Xu Qiang 20
#4 Wang Wei 20
#5 Ding Chen 20
#6 Sun Sen 16
#7 Han Chunhua 10
#8 Zhang Xingquan 9
#9 Niu Wei 5
#10 Li Hansheng 5

Latest patents

Publication Filing date Title
CN112209839A Method for synthesizing 2, 2-difluoroethylamine by using high-boiling-point substance in R142b as raw material
CN111484391A Method for preparing 1,2,3,3, 3-pentafluoropropene from hexafluoropropene
CN111013353A Treatment process of fluorite drying tail gas
CN111039751A Method for synthesizing 2, 2-difluoroethanol by taking R142 as raw material
CN111013612A Preparation method of solid fluorination catalyst
CN111036225A Method for preparing high-activity pentafluoroethane chromium-based catalyst through sectional roasting and sectional fluorination
CN109180422A A kind of method that fluoroform catalytic pyrolysis prepares tetrafluoroethene coproduction hexafluoropropene
CN109261142A A kind of catalyst and preparation method thereof preparing tetrafluoroethene and hexafluoropropene for fluoroform catalytic pyrolysis
CN109174139A A kind of catalyst and the preparation method and application thereof for 1,1- Difluoroethane gas phase removal HF preparation vinyl fluoride
CN109012676A A kind of catalyst and the preparation method and application thereof preparing HF hydrocarbon for hydrofluoroalkane gas phase removal HF
CN107243351A Catalyst, preparation method and the application in purifying pentafluoroethane of conversion perfluoroethane are fluorinated for five fluorine monochlorethanes
CN107353184A A kind of method that hydrofluoroether is prepared using 1,1,1,2 HFC-134as as raw material
CN107162871A A kind of fluoroform resource utilization process
CN107216233A A kind of fluoroform resource utilization method
CN107056581A The separation method of the high-boiling components of the Difluoroethane production technology of 1 chlorine 1,1
CN106336343A Method for reducing R115 in R125
CN106334586A Method for recycling debris and dust during production process of gaseous phase fluorination catalyst
CN106380370A A resource utilization method of chlorofluorocarbons
CN109516895A A kind of method of chlorofluorocarbons resource utilization
CN105344349A Solid fluorinated catalyst and preparation method thereof