Patents by Inventor Andrew Trinin Dennis

Andrew Trinin Dennis 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).

  • Publication number: 20170188923
    Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Jiong Zou, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A. Tapsak, Huashi Zhang, Shanger Wang
  • Publication number: 20170191955
    Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Jiong Zou, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A. Tapsak, Huashi Zhang, Shanger Wang
  • Publication number: 20170188922
    Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The biointerface layer increases sensor longevity and decrease sensor inaccuracy by inhibiting accumulation of cells, proteins, and other biological species on the outermost layers of the sensor.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Ted Tang Lee, Andrew Trinin Dennis, Shanger Wang, Jiong Zou
  • Publication number: 20170188905
    Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The biointerface layer increases sensor longevity and decrease sensor inaccuracy by inhibiting accumulation of cells, proteins, and other biological species on the outermost layers of the sensor.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Ted Tang Lee, Andrew Trinin Dennis, Shanger Wang, Jiong Zou
  • Publication number: 20170188916
    Abstract: Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer can comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The sensing membrane can also comprise a diffusion-resistance layer, which can comprise a base polymer having a lowest Tg of greater than ?50 C.
    Type: Application
    Filed: December 30, 2016
    Publication date: July 6, 2017
    Inventors: Shanger Wang, Robert J. Boock, Andrew Trinin Dennis, Ted Tang Lee, Jeff T. Suri, David Sze, Mark A Tapsak, Huashi Zhang, Jiong Zou