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David Lok

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  • Madison, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bifunctional-modified hydrogels
    • Patent number 8,025,901
    • Issue date Sep 27, 2011
    • Wisconsin Alumni Research Foundation
    • Weiyuan John Kao
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Bifunctional-modified hydrogels
    • Patent number 7,615,593
    • Issue date Nov 10, 2009
    • Wisconsin Alumni Research Foundation
    • Weiyun John Kao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    BIFUNCTIONAL-MODIFIED HYDROGELS
    • Publication number 20100209509
    • Publication date Aug 19, 2010
    • Wisconsin Alumni Research Foundation
    • Weiyuan John Kao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Bifunctional-modified hydrogels
    • Publication number 20060100369
    • Publication date May 11, 2006
    • Weiyuan John Kao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Bifunctional-modified hydrogels
    • Publication number 20050276858
    • Publication date Dec 15, 2005
    • Weiyuan John Kao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Bifunctional-modified hydrogels
    • Publication number 20030083389
    • Publication date May 1, 2003
    • Weiyun John Kao
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...