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Qinggao Ma

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  • Naugatuck, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure process for overbased magnesium oxide dispersions
    • Patent number 8,648,020
    • Issue date Feb 11, 2014
    • Chemtura Corporation
    • Qinggao Ma
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Overbased magnesium oxide dispersions
    • Patent number 8,580,716
    • Issue date Nov 12, 2013
    • Chemtura Corporation
    • Qinggao Ma
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil compositions
    • Patent number 7,846,884
    • Issue date Dec 7, 2010
    • Chemtura Corporation
    • Qinggao Ma
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Acridan derivatives as antioxidants
    • Patent number 7,847,125
    • Issue date Dec 7, 2010
    • Chemtura Corporation
    • Qinggao Ma
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Diaromatic amine derivatives as antioxidants
    • Patent number 7,838,703
    • Issue date Nov 23, 2010
    • Chemtura Corporation
    • Qinggao Ma
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Tetraaromatic diamine compounds as antioxidants
    • Patent number 7,608,568
    • Issue date Oct 27, 2009
    • Chemtura Corporation
    • Qinggao Ma
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    β-crystalline polypropylenes
    • Patent number 7,585,909
    • Issue date Sep 8, 2009
    • Chemtura Corporation
    • Qinggao Ma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Urea phenyl derivatives and their use as polypropylene nucleating a...
    • Patent number 7,572,849
    • Issue date Aug 11, 2009
    • Chemtura Corporation
    • Qinggao Ma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    β-Crystalline polypropylenes
    • Patent number 7,569,630
    • Issue date Aug 4, 2009
    • Chemtura Corporation
    • Qinggao Ma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ortho-nitrosophenols as polymerization inhibitors
    • Patent number 7,553,896
    • Issue date Jun 30, 2009
    • Chemtura Corporation
    • Qinggao Ma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Styrenic polymer composites
    • Patent number 7,217,765
    • Issue date May 15, 2007
    • Crompton Corporation
    • Sung Chul Hong
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents