TREA

David G. Walton

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  • White Bear Lake, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microporous PVDF films
    • Patent number 8,962,214
    • Issue date Feb 24, 2015
    • 3M Innovative Properties Company
    • Samantha D. Smith
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Microporous PVDF films
    • Patent number 8,663,868
    • Issue date Mar 4, 2014
    • 3M Innovative Properties Company
    • Samantha D. Smith
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Microporous PVDF films
    • Patent number 7,338,692
    • Issue date Mar 4, 2008
    • 3M Innovative Properties Company
    • Samantha D. Smith
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymeric membranes and other polymer articles having desired surfa...
    • Patent number 6,413,621
    • Issue date Jul 2, 2002
    • Massachusetts Institute of Technology
    • Anne M. Mayes
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROPOROUS PVDF FILMS
    • Publication number 20140134518
    • Publication date May 15, 2014
    • 3M Innovative Properties Company
    • Samantha D. Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MICROPOROUS PVDF FILMS
    • Publication number 20080113242
    • Publication date May 15, 2008
    • 3M Innovative Properties Company
    • Samantha D. Smith
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Microporous PVDF films and method of manufacturing
    • Publication number 20050058821
    • Publication date Mar 17, 2005
    • 3M Innovative Properties Company
    • Samantha D. Smith
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Polymeric membranes and other polymer articles having desired surfa...
    • Publication number 20030198825
    • Publication date Oct 23, 2003
    • Massachusetts Institute of Technology
    • Anne M. Mayes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Polymeric membranes and other polymer articles having desired surfa...
    • Publication number 20020155311
    • Publication date Oct 24, 2002
    • Anne M. Mayes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL