Patents by Inventor Craig A. Hardy

Craig A. Hardy 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: 20180014974
    Abstract: The present invention relates to a composition that can be used as or as part of a wound dressing and to wound dressings comprising the same. More specifically, the present invention relates to a composition that disrupts and kills bacteria within a biofilm and also prevents biofilm formation. The composition comprises a fibrous first component selected from the group consisting of chitosan, chitin, derivatives of chitosan, derivatives of chitin, and combinations thereof; at least one triprotic acid and at least one solubilising acid.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 18, 2018
    Inventors: Andrew Hoggarth, Craig Hardy
  • Publication number: 20180014975
    Abstract: The present invention relates to a composition that can be used as or as part of a wound dressing and to wound dressings comprising the same. More specifically, the present invention relates to a composition that disrupts and kills bacteria within a biofilm and also prevents biofilm formation. The composition comprises a first component selected from the group consisting of chitosan, chitin, derivatives of chitosan, derivatives of chitin, and combinations thereof; at least one triprotic acid and at least one solubilising acid.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 18, 2018
    Inventors: Andrew Hoggarth, Craig Hardy
  • Patent number: 9867900
    Abstract: The present invention relates to a fibrous haemostat composition that is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilized by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: January 16, 2018
    Assignee: Medtrade Products Limited
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Publication number: 20180008742
    Abstract: The present invention relates to a composition that can be used as or as part of a wound dressing and to wound dressings comprising the same. More specifically, the present invention relates to a composition that disrupts and kills bacteria within a biofilm and also prevents biofilm formation. The solid composition comprises a first component selected from the group consisting of chitosan, chitin, derivatives of chitosan, derivatives of chitin, and combinations thereof; and at least one triprotic acid.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 11, 2018
    Inventors: Andrew Hoggarth, Craig Hardy
  • Publication number: 20170258959
    Abstract: In one aspect, the present invention includes a haemostat composition that includes a chitosan, chitosan salt or chitosan derivative, and a physiologically acceptable acid selected from the group consisting of lactic acid, formic acid, acetic acid, ascorbic acid, halogen acetic acids, propanoic acid, propenoic acid, acrylic acid, glyoxylic acid, pyruvic acid or a hydroxy propionic/butanoic acid, and combinations of any two or more thereof; or one or more acids selected from hydrochloric acid and sulphuric acid. The haemostat composition is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilised by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Application
    Filed: May 22, 2017
    Publication date: September 14, 2017
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Publication number: 20170258958
    Abstract: In one aspect, the present invention includes a haemostat composition that includes a chitosan, chitosan salt or chitosan derivative, and a physiologically acceptable acid, which is present in the amount of 45-70% by weight of the haemostat composition. The haemostat composition is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilised by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Application
    Filed: May 22, 2017
    Publication date: September 14, 2017
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Patent number: 9750843
    Abstract: The present invention relates to a haemostatic material comprising a carrier layer and a material for wound contact comprising at least one haemostat in particulate, granular, powder, flake or short fibrous form. Such a haemostatic material is useful, for example, in reducing or stopping bleeding of a physiological target site in a person or animal, and can also be used to stem bleeding during medical procedures.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: September 5, 2017
    Assignee: MEDTRADE PRODUCTS LIMITED
    Inventors: Craig Hardy, Andrew Darby, Guy Eason
  • Publication number: 20170239095
    Abstract: The present invention relates to wound dressings. In particular, the invention relates to antimicrobial wound dressings, methods of making the same and uses of the same. The wound dressing of the present invention comprises a wound contact layer and an absorption layer, wherein the wound contact layer comprises at least one antimicrobial agent and wherein the lateral wicking rate of the wound contact layer is the same or higher than the lateral wicking rate of the absorption layer. The wound dressing of the present invention provides an absorbent, conformable and anti-microbial medical device that may be used in a variety of medical situations, including post and/or pre-operative.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 24, 2017
    Inventors: Andrew HOGGARTH, Craig HARDY, Ander ALBIZURI
  • Publication number: 20170231822
    Abstract: The present invention relates to wound dressings. In particular, the invention relates to antimicrobial wound dressings, methods of making the same and uses of the same. The wound dressing of the present invention comprises a wound contact layer and an absorption layer, wherein the wound contact layer comprises at least one antimicrobial agent and wherein the wound contact layer is compressed and/or wherein the wound contact layer has a density of greater than 0.06 g/cm3. The wound dressing of the present invention provides an absorbent, conformable and anti-microbial medical device that may be used in a variety of medical situations, including post and/or pre-operative.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 17, 2017
    Inventors: Andrew Hoggarth, Craig Hardy, Ander Albizuri
  • Publication number: 20170202997
    Abstract: The present invention relates to a fibrous haemostat composition that is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilised by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Application
    Filed: April 4, 2017
    Publication date: July 20, 2017
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Publication number: 20170202994
    Abstract: The present invention relates to a fibrous haemostat composition that is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilised by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Application
    Filed: April 4, 2017
    Publication date: July 20, 2017
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Patent number: 9681992
    Abstract: The present invention relates to a wound care device, and more specifically to an absorbent wound care device and a method for making the same. The wound care device is obtainable by bringing together a first material and an acidic substance to form an intermediate device, which first material does not substantially gel when exposed to a fluid but does gel when brought together with an acidic substance and exposed to a fluid, and exposing the intermediate device to ethylene oxide.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: June 20, 2017
    Assignee: Medtrade Products Limited
    Inventors: Stuart Darby, Craig Hardy, Andrew Hoggarth
  • Publication number: 20170128270
    Abstract: The present invention relates to a wound dressing composition for use as or in a wound dressing and to methods of making the wound dressing composition. The wound dressing composition comprises an absorbent material, an adhesive material and an anchor material attached to the absorbent material and the adhesive material. The anchor material is operable to maintain a link between the absorbent material and the adhesive material when the wound dressing composition is wet.
    Type: Application
    Filed: March 19, 2015
    Publication date: May 11, 2017
    Applicant: Medtrade Products Limited
    Inventors: Andrew Hoggarth, Craig Hardy
  • Publication number: 20160168277
    Abstract: The present invention relates to a process for producing a low endotoxin alkali chitosan, and also to a process for producing low endotoxin neutral chitosan, chitosan salt and chitosan derivatives, and to the products of such processes. The process comprises contacting chitosan with an alkali solution to form a mixture and leaving the mixture for at least about 12 hours. The low endotoxin alkali chitosan may be used the manufacture of other useful chitosan based products.
    Type: Application
    Filed: February 24, 2016
    Publication date: June 16, 2016
    Inventors: June Gladman, Craig Hardy, Andrew Hoggarth
  • Publication number: 20160121020
    Abstract: The present invention relates to a fibrous haemostat composition that is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilised by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Application
    Filed: May 28, 2014
    Publication date: May 5, 2016
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Publication number: 20160122443
    Abstract: The present invention relates to a process for the removal of contamination from a raw material comprising a desirable material, such as chitin and/or chitosan. The process comprises mixing a raw material with a liquid, wherein the raw material comprises at least one contaminant and at least one desirable material, and wherein the at least one desirable material is capable of absorbing the liquid; and allowing the at least one contaminant and at least one desirable material to separate in a separation container.
    Type: Application
    Filed: June 2, 2014
    Publication date: May 5, 2016
    Inventors: Craig Hardy, Andrew Hoggarth
  • Publication number: 20160121022
    Abstract: The present invention relates to a process for producing a low endotoxin alkali chitosan, chitin, chitosan derivative or chitin derivative, and also to a process for producing low endotoxin neutral chitosan, chitosan salt and chitosan derivatives, and to the products of such processes. The process comprises contacting chitosan, chitin, chitosan derivative or chitin derivative with an alkali solution having a concentration of less than 0.25 M to form a mixture; leaving the mixture for a period of less than 12 hours and optionally drying the mixture. The low endotoxin alkali chitosan may be used in the manufacture of other useful chitosan based products.
    Type: Application
    Filed: May 29, 2014
    Publication date: May 5, 2016
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Publication number: 20160106882
    Abstract: The present invention relates to a haemostat composition that is able to safely gradually and fully degrade in a human or animal body within about 30 days and so can be utilised by physicians to stem a flow of blood and promote healing both after as well as during surgical procedures.
    Type: Application
    Filed: May 28, 2014
    Publication date: April 21, 2016
    Inventors: Craig Hardy, Andrew Hoggarth, June Gladman
  • Publication number: 20150297414
    Abstract: The present invention relates to a wound care device, and more specifically to an absorbent wound care device and a method for making the same. The wound care device is obtainable by bringing together a first material and an acidic substance to form an intermediate device, which first material does not substantially gel when exposed to a fluid but does gel when brought together with an acidic substance and exposed to a fluid, and exposing the intermediate device to ethylene oxide.
    Type: Application
    Filed: November 7, 2013
    Publication date: October 22, 2015
    Inventors: Stuart Darby, Craig Hardy, Andrew Hoggarth
  • Publication number: 20150080335
    Abstract: The present invention relates to a process for producing a low endotoxin alkali chitosan, and also to a process for producing low endotoxin neutral chitosan, chitosan salt and chitosan derivatives, and to the products of such processes. The process comprises contacting chitosan with an alkali solution to form a mixture and leaving the mixture for at least about 12 hours. The low endotoxin alkali chitosan may be used in the manufacture of other useful chitosan based products.
    Type: Application
    Filed: March 25, 2013
    Publication date: March 19, 2015
    Inventors: June Gladman, Craig Hardy, Andrew Hoggarth