Kunwen DU

Person

  • Wuhan, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Caulking adhesive

    • Patent number 9,951,257
    • Issue date Apr 24, 2018
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Initiator composition for curing resin

    • Patent number 9,453,085
    • Issue date Sep 27, 2016
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Additive for enhancing toughness of marble adhesive

    • Patent number 9,371,433
    • Issue date Jun 21, 2016
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Initiator composition, unsaturated polyester resin composition comp...

    • Patent number 9,334,362
    • Issue date May 10, 2016
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adhesive

    • Patent number 9,062,234
    • Issue date Jun 23, 2015
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Adhesive for filling gaps between stones

    • Patent number 8,937,115
    • Issue date Jan 20, 2015
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Adhesive

    • Patent number 8,674,003
    • Issue date Mar 18, 2014
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Kunwen Du
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Dry adhesive and method of preparing the same

    • Patent number 8,563,630
    • Issue date Oct 22, 2013
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Danjiu Sun
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Gap-filling adhesive of stone

    • Patent number 8,436,082
    • Issue date May 7, 2013
    • Kunwen Du
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Epoxy-based antiskid adhesive and preparation thereof

    • Patent number 8,278,369
    • Issue date Oct 2, 2012
    • Wuhan Keda Marble Protective Materials Co., Ltd.
    • Danjiu Sun
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cardboard box

    • Patent number D623514
    • Issue date Sep 14, 2010
    • Kunwen Du
    • D09 - Packages and containers for goods

Patents Applicationslast 30 patents

  • Information Patent Application

    CAULKING ADHESIVE

    • Publication number 20160083632
    • Publication date Mar 24, 2016
    • WUHAN KEDA MARBLE PROTECTIVE MATERIALS CO., LTD.
    • Kunwen DU
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    INITIATOR COMPOSITION FOR CURING RESIN

    • Publication number 20150008365
    • Publication date Jan 8, 2015
    • WUHAN KEDA MARBLE PROTECTIVE MATERIALS CO., LTD.
    • Kunwen DU
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    INITIATOR COMPOSITION, UNSATURATED POLYESTER RESIN COMPOSITION COMP...

    • Publication number 20150011713
    • Publication date Jan 8, 2015
    • WUHAN KEDA MARBLE PROTECTIVE MATERIALS CO., LTD.
    • Kunwen DU
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ADDITIVE FOR ENHANCING TOUGHNESS OF MARBLE ADHESIVE

    • Publication number 20130338285
    • Publication date Dec 19, 2013
    • WUHAN KEDA MARBLE PROTECTIVE MATERIALS CO., LTD.
    • Kunwen DU
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ADHESIVE

    • Publication number 20120302687
    • Publication date Nov 29, 2012
    • Kunwen DU
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ADHESIVE

    • Publication number 20120302686
    • Publication date Nov 29, 2012
    • Kunwen DU
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    GAP-FILLING ADHESIVE OF STONE

    • Publication number 20110301263
    • Publication date Dec 8, 2011
    • Kunwen DU
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ADHESIVE FOR FILLING GAPS BETWEEN STONES

    • Publication number 20110263771
    • Publication date Oct 27, 2011
    • Kunwen DU
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    EPOXY-BASED ANTISKID ADHESIVE AND PREPARATION THEREOF

    • Publication number 20100222456
    • Publication date Sep 2, 2010
    • Danjiu SUN
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DRY ADHESIVE AND METHOD OF PREPARING THE SAME

    • Publication number 20100204366
    • Publication date Aug 12, 2010
    • Danjiu SUN
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...