Patents Assigned to PhotoDynamic Inc.
  • Use of extracts as photodynamic antimicrobial agents
    Patent number: 11660323
    Abstract: The present invention describes a method of killing or inactivating microorganisms, the method comprising the steps of contacting the microorganisms with a composition comprising an extract of Polygonum cuspidatum and an excipient; and irradiating the microorganisms with a source of light; wherein the radiant exposure of the light is between 1 and 300 J cm?2, and the surface power density of the light is between 0.001 and 0.25 W cm?2.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: May 30, 2023
    Assignee: PhotoDynamic Inc.
    Inventor: Sherri McFarland
  • extracts as photodynamic inactivating agents
    Patent number: 10925917
    Abstract: The present invention describes extracts of Polygonum cuspidatum and related compositions that are capable of photodynamic inactivation (PDI) of microorganisms such as bacteria, viruses, fungi, and protozoa, and capable of killing or inactivating cancer cells. The present invention further describes methods of using said Polygonum cuspidatum extracts and photodynamic inactivation (PDI) as a therapy for the treatment of microbial infection and as well as the use of Polygonum cuspidatum extract and related compositions as photodynamic therapy agents for the treatment of cancer.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: February 23, 2021
    Assignee: PhotoDynamic Inc.
    Inventor: Sherri McFarland
  • extracts
    Patent number: 10350255
    Abstract: The present invention describes extracts of Polygonum cuspidatum and related compositions that are capable of photodynamic inactivation (PDI) of microorganisms such as bacteria, viruses, fungi, and protozoa, and capable of killing or inactivating cancer cells. The present invention further describes methods of using said Polygonum cuspidatum extracts and photodynamic inactivation (PDI) as a therapy for the treatment of microbial infection and as well as the use of Polygonum cuspidatum extract and related compositions as photodynamic therapy agents for the treatment of cancer.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: July 16, 2019
    Assignee: PhotoDynamic Inc.
    Inventor: Sherri McFarland
  • Oral hygiene device
    Patent number: D932023
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: September 28, 2021
    Assignee: PhotoDynamic Inc.
    Inventors: Mark Tullio Morreale, Sherri McFarland, Colin G. Cameron, Martin Greenwood, S. Alexander McLellan