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DALIAN EUROFILM IND LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    106,799
  • Filing trend
    ⇩ 50.0%
About

DALIAN EUROFILM IND LTD has a total of 24 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2011. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, macromolecular chemistry and polymers and materials and metallurgy are UNION ENG AS, DRYVENT LTD and UNION ENG A/S.

Patent filings in countries

World map showing DALIAN EUROFILM IND LTDs patent filings in countries

Patent filings per year

Chart showing DALIAN EUROFILM IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Guodong 23
#2 Li Shuguang 16
#3 Li Guangyong 15
#4 Wang Lianjun 12
#5 Ma Yanxun 11
#6 Ji Pengfei 11
#7 Wang Zhongqiang 6
#8 Li Tailong 5
#9 Meng Zhaowei 4
#10 Qu Yunxiang 4

Latest patents

Publication Filing date Title
CN111167320A Preparation method of interfacial polymerization composite membrane, and method and system for recovering hydrogen in carbon dioxide-containing PSA desorption gas
CN110921628A From containing CO2Recovering H from the crude gas2Method and system of
CN108654398A A kind of antistatic composite gas separation and preparation method thereof
WO2019178741A1 System and method for recovering polyolefin exhaust gas
CN107638815A A kind of cellulose acetate anisotropic membrane and its application
CN106621853A Perfluoropolymer composite membrane as well as preparation method and application thereof
CN106631667A Method for recovering ethylene from purge gas in production process of ethylene derivatives
CN106621684A Polyolefin tail gas recovery method
WO2017016006A1 Polypropylene tail gas recovery device and recovery method
CN105004140A Polypropylene tail gas recovery device and recovery method
CN104913183A Air bag-type air cabinet
CN104587854A Friction-resistant polyether block amide composite film and preparation method and application thereof
CN103877871A Composite separating membrane and preparation method and application thereof
CN103657458A PEBA (Polyether block amide) composite film as well as preparation method and application thereof
CN103657457A Silicone rubber composite film, and preparation method and usage thereof
CN103663368A Method for recycling hydrogen and ammonia in synthetic ammonia exhausted gas
CN103663367A Method for recovering hydrogen and ammonia in synthetic ammonia exhausted gas
CN103599708A Composite membrane and preparation method thereof
CN103316598A Preparation method of dry-type preserved polyacrylonitrile membrane
CN102997966A Gas flow test characterization liquid