Patents by Inventor David Warde

David Warde 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).

  • Patent number: 11617685
    Abstract: The present invention relates to a wound dressing composition that is capable of gelling upon contact with a fluid derived from a human or animal body, and which is able to maintain the integrity of the gel for a period of time that is longer than about 24 hours.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: April 4, 2023
    Assignee: MEDTRADE PRODUCTS LIMITED
    Inventors: Craig Hardy, Andrew Hoggarth, David Warde
  • Publication number: 20180168870
    Abstract: The present invention relates to a wound dressing composition that is capable of gelling upon contact with a fluid derived from a human or animal body, and which is able to maintain the integrity of the gel for a period of time that is longer than about 24 hours.
    Type: Application
    Filed: March 19, 2015
    Publication date: June 21, 2018
    Inventors: Craig Hardy, Andrew Hoggarth, David Warde
  • Publication number: 20180028363
    Abstract: The present invention relates to materials for use as or in wound dressings. In particular, the present invention relates to a multilayer material for use as or in a wound dressing and to methods of making the multilayer material. The multilayer material comprises first and second layers comprising a chitosan and/or a chitosan derivative and a third layer located between the first and second layers comprising a reinforcing material, wherein one or more of the layers further comprises a physiologically acceptable acid.
    Type: Application
    Filed: March 19, 2015
    Publication date: February 1, 2018
    Inventors: Andrew Hoggarth, David Warde, Craig Hardy