Yangqiu Sun

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple hydrophilic head hydrate inhibitors

    • Patent number 9,902,893
    • Issue date Feb 27, 2018
    • Multi-Chem Group, LLC
    • Liangwei Qu
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Multiple hydrophilic head hydrate inhibitors

    • Patent number 9,796,906
    • Issue date Oct 24, 2017
    • Multi-Chem Group, LLC
    • Liangwei Qu
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIPLE HYDROPHILIC HEAD HYDRATE INHIBITORS

    • Publication number 20180010036
    • Publication date Jan 11, 2018
    • Multi-Chem Group, LLC
    • Liangwei Qu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    MULTIPLE HYDROPHILIC HEAD HYDRATE INHIBITORS

    • Publication number 20160264843
    • Publication date Sep 15, 2016
    • Multi-Chem Group, LLC
    • Liangwei Qu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...