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Yanfei Liu

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyethylene imine based dendritic dispersant
    • Patent number 9,381,481
    • Issue date Jul 5, 2016
    • BASF SE
    • Huiguang Kou
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for producing block copolymers
    • Patent number 8,829,116
    • Issue date Sep 9, 2014
    • Dow Global Technologies LLC
    • Longlan Cui
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polyamine-polyacrylate dispersant
    • Patent number 8,344,074
    • Issue date Jan 1, 2013
    • BASF SE
    • Huiguang Kou
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polyethylene imine based pigment dispersants
    • Patent number 8,268,957
    • Issue date Sep 18, 2012
    • BASF SE
    • Yanfei Liu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents