Patents by Inventor Derek A. Daigle

Derek A. Daigle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Anti-microbial matrix and filtration system
    Patent number: 8453849
    Abstract: Provided are an anti-microbial matrix and filtration systems containing the same. The matrix comprises a surface-modified inorganic component and a polymeric binder comprising particles having an irregular, convoluted surface. The surface-modified inorganic component comprises a reaction product of an anti-microbial component and an inorganic component. The anti-microbial component comprises a quaternary ammonium salt containing an epoxide group. A covalent bond is, for example, between the quaternary ammonium cation and a hydroxyl group of the inorganic component. The quaternary ammonium salt can be poly(methyldiallylamine epichlorohydrin). Further, the quaternary ammonium salt can have the formula according to I: (Formula I), wherein n is in the range of 5 to 24. The inorganic component can be diatomaceous earth. The polymeric binder can comprise ultra high molecular weight polyethylene (UHMW PE). Methods of making and using the same are also provided.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: June 4, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas J. Hamlin, Mark T. Meyering, Hemang R. Patel, Derek A. Daigle, Robert A. Governal, Rebecca A. Lucht, Keith D. Solomon, Eshan B. Yeh
  • ANTI-MICROBIAL MATRIX AND FILTRATION SYSTEM
    Publication number: 20110006009
    Abstract: Provided are an anti-microbial matrix and filtration systems containing the same. The matrix comprises a surface-modified inorganic component and a polymeric binder comprising particles having an irregular, convoluted surface. The surface-modified inorganic component comprises a reaction product of an anti-microbial component and an inorganic component. The anti-microbial component comprises a quaternary ammonium salt containing an epoxide group. A covalent bond is, for example, between the quaternary ammonium cation and a hydroxyl group of the inorganic component. The quaternary ammonium salt can be poly(methyldiallylamine epichlorohydrin). Further, the quaternary ammonium salt can have the formula according to I: (Formula I), wherein n is in the range of 5 to 24. The inorganic component can be diatomaceous earth. The polymeric binder can comprise ultra high molecular weight polyethylene (UHMW PE). Methods of making and using the same are also provided.
    Type: Application
    Filed: November 25, 2008
    Publication date: January 13, 2011
    Inventors: Thomas J. Hamlin, Mark T. Meyering, Hemang R. Patel, Derek A. Daigle, Robert A. Governal, Rebecca A. Lucht, Keith D. Solomon, Eshan B. Yeh