Patents by Inventor David M. Eckmann

David M. Eckmann 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).

  • Antimicrobial polymer layers
    Patent number: 11052177
    Abstract: The invention provides compositions comprising a plurality of polymer layers for preventing or inhibiting microbial infections. Specifically, the invention provides a combination of a cationic polymer layer that resists adhesion of a microbe to its surface and an anionic polymer layer that releases a cationic anti-microbial agent in response to a change in pH or electrostatic balance.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: July 6, 2021
    Assignee: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
    Inventors: Hyun-Su Lee, David M. Eckmann, Russell Composto
  • Multifunctional chitosan grafted surfaces and uses thereof
    Patent number: 9950097
    Abstract: The invention relates to a multifunctional chitosan grafted surface. Specifically, the invention relates to a chitosan modified with a quaternary ammonium salt (CH-Q) grafted surface that provides various functional properties, including stability (pH 3-9) and unique pH dependent swelling and antibacterial properties.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: April 24, 2018
    Assignees: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA, THOMAS JEFFERSON UNIVERSITY
    Inventors: Hyun-Su Lee, Russell Composto, David M. Eckmann, Noreen J. Hickok
  • ANTIMICROBIAL POLYMER LAYERS
    Publication number: 20150071982
    Abstract: The invention provides compositions comprising a plurality of polymer layers for preventing or inhibiting microbial infections. Specifically, the invention provides a combination of a cationic polymer layer that resists adhesion of a microbe to its surface and an anionic polymer layer that releases a cationic anti-microbial agent in response to a change in pH or electrostatic balance.
    Type: Application
    Filed: September 8, 2014
    Publication date: March 12, 2015
    Inventors: Hyun-Su Lee, David M. Eckmann, Russell Composto
  • MULTIFUNCTIONAL CHITOSAN GRAFTED SURFACES AND USES THEREOF
    Publication number: 20140114055
    Abstract: The invention relates to a multifunctional chitosan grafted surface. Specifically, the invention relates to a chitosan modified with a quaternary ammonium salt (CH-Q) grafted surface that provides various functional properties, including stability (pH 3-9) and unique pH dependent swelling and antibacterial properties.
    Type: Application
    Filed: February 7, 2012
    Publication date: April 24, 2014
    Inventors: Hyun-Su Lee, Russell Composto, David M. Eckmann, Noreen J. Hickok