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SHANDONG DONGYUE POLYMER MAT CO LTD

Overview
  • Total Patents
    60
  • GoodIP Patent Rank
    24,328
  • Filing trend
    ⇧ 60.0%
About

SHANDONG DONGYUE POLYMER MAT CO LTD has a total of 60 patent applications. It increased the IP activity by 60.0%. Its first patent ever was published in 2014. It filed its patents most often in China and United States. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and surface technology and coating are ASTOM CORP, SINOPEC GREAT WALL ENERGY AND CHEMICAL NINGXIA CO LTD and NANJING RSI CHEMICAL & TECH CO LTD.

Patent filings in countries

World map showing SHANDONG DONGYUE POLYMER MAT CO LTDs patent filings in countries
# Country Total Patents
#1 China 58
#2 United States 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chen Yue 28
#2 Zhang Yongming 21
#3 Fu Shiqing 13
#4 Zhou Pengfei 9
#5 Han Guifang 9
#6 Yang Miaokun 9
#7 Wang Li 9
#8 Liu Changhai 8
#9 Zhang Jiangshan 8
#10 Song Zenghong 6

Latest patents

Publication Filing date Title
CN112126355A Preparation method of coating solution for ion exchange membrane
CN112098593A Method for testing acid value content of perfluoropolyether
CN111909477A High-performance carbon oxide fiber/graphite/polyimide modified polytetrafluoroethylene high-molecular composite material and preparation method thereof
CN112110606A Treatment system and method for removing total nitrogen in polytetrafluoroethylene dispersion resin wastewater
CN112097722A Flatness testing method for film material
CN111995511A Method for purifying hexafluoroacetone hydrate
CN111892727A Sulfonated graphene modified perfluorinated sulfonic acid ion exchange membrane and preparation method thereof
CN111808309A High proton conduction perfluorosulfonic acid ion exchange membrane and preparation method thereof
CN111790401A Catalyst for synthesizing hexafluoroisopropanol, preparation method and application
CN111875825A High-proton-conductivity enhanced perfluorinated sulfonic acid composite ion exchange membrane and preparation method thereof
CN111921567A Enhanced perfluorinated sulfonic acid ion exchange membrane and preparation method thereof
CN111948547A Proton exchange membrane hydrogen fuel cell dry-wet cycle testing device
CN111804348A Reinforcing net for fluorine-containing cation exchange membrane and application thereof
CN111551668A Method for measuring acid value content in perfluoropolyether
CN111679030A Method for testing sodium ion transfer capacity of chlor-alkali membrane
CN111675814A High-fluidity fluororesin slurry and preparation method thereof
CN111413457A Method for measuring peroxide content in perfluoropolyether by potentiometric titration
CN111366659A Method for detecting trace PFOA (perfluorooctanoic acid) in powdery fluoropolymer product
CN111413432A Method for detecting trace PFOA (perfluorooctanoic acid) in fluorine-containing polymer emulsion product
CN111378988A Preparation method of pre-swelling perfluorinated ion exchange membrane