Patents by Inventor David Woolfson

David Woolfson 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: 20140056961
    Abstract: The present invention provides improved intravaginal drug delivery devices, i.e., intravaginal rings, useful for the prophylactic administration of an antimicrobial compound, e.g., Dapivirine, to a human. The intravaginal rings of the invention address previous stability issues by utilizing a platinum catalyst (e.g., in the form of a platinum-siloxane complex) for the cross-linking reaction. The vaginal rings surprisingly achieve relatively high and steady release rates in vivo with a matrix ring containing a relatively small loading dose. While the matrix rings of the present invention have in vivo the steady release rates associated with reservoir rings, they are easier and less expensive to manufacture. The present invention also provides methods of blocking DNA polymerization by an HIV reverse transcriptase enzyme, methods of preventing HIV infection in a female human, methods of treating HIV infection in a female human, and methods of preparing platinum-catalyzed intravaginal rings.
    Type: Application
    Filed: October 11, 2013
    Publication date: February 27, 2014
    Applicant: INTERNATIONAL PARTNERSHIP FOR MICROBICIDES
    Inventors: Karl Malcolm, David Woolfson, Joseph Romano
  • Patent number: 8580294
    Abstract: The present invention provides improved intravaginal drug delivery devices, i.e., intravaginal rings, useful for the prophylactic administration of an antimicrobial compound, e.g., Dapivirine, to a human. The intravaginal rings of the invention address previous stability issues by utilizing a platinum catalyst (e.g., in the form of a platinum-siloxane complex) for the cross-linking reaction. The vaginal rings surprisingly achieve relatively high and steady release rates in vivo with a matrix ring containing a relatively small loading dose. While the matrix rings of the present invention have in vivo the steady release rates associated with reservoir rings, they are easier and less expensive to manufacture. The present invention also provides methods of blocking DNA polymerization by an HIV reverse transcriptase enzyme, methods of preventing HIV infection in a female human, methods of treating HIV infection in a female human, and methods of preparing platinum-catalyzed intravaginal rings.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: November 12, 2013
    Assignee: International Partnership for Microbicides
    Inventors: Karl Malcolm, David Woolfson, Joseph Romano
  • Patent number: 8561233
    Abstract: A hermetically sealed infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover and having a resiliently deformable filling material, comprising a vent means in the cover, characterized in that the vent means comprises a filter medium including a filter membrane for the removal of particles of microbial size and wherein the filter medium also comprises a strengthening layer of material for providing mechanical strength to the filter medium whereby the filter medium allows air flow therethrough but is substantially impermeable to liquid while maintaining a barrier to particles of microbial size.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: October 22, 2013
    Assignee: Pneuma Pure I.P. Limited
    Inventors: William Navan, David Woolfson
  • Publication number: 20120266753
    Abstract: The present invention relates to microbial detection valves and particularly, unidirectional valves which include means for detecting the presence of microbes. The present invention also relates to infection control cushioning and/or bedding including said microbial detection valves. In another aspect, the present invention concerns improvements in and relating to hygienic bedding and particularly in and relating to hygienic bedding covers. The present invention has the advantage that it provides a one-way valve incorporated into the pillow cover as well as a microbial filter membrane, to allow air to exhaust quickly from the pillow through the valve, bypassing the membrane. Air re-entering the pillow may only pass through the microbial filter membrane. Thus, air re-entering the pillow does so at slower speed, but has the advantage that forcing the re-entering air to pass through the micorbial filter allows only sterile air to enter the pillow.
    Type: Application
    Filed: November 18, 2010
    Publication date: October 25, 2012
    Applicant: Pneuma Pure I.P. Limited
    Inventors: David Woolfson, William Navan, Duncan Bain
  • Publication number: 20120093911
    Abstract: The present invention provides improved intravaginal drug delivery devices, i.e., intravaginal rings, useful for the prophylactic administration of an antimicrobial compound, e.g., Dapivirine, to a human. The intravaginal rings of the invention address previous stability issues by utilizing a platinum catalyst (e.g., in the form of a platinum-siloxane complex) for the cross-linking reaction. The vaginal rings surprisingly achieve relatively high and steady release rates in vivo with a matrix ring containing a relatively small loading dose. While the matrix rings of the present invention have in vivo the steady release rates associated with reservoir rings, they are easier and less expensive to manufacture. The present invention also provides methods of blocking DNA polymerization by an HIV reverse transcriptase enzyme, methods of preventing HIV infection in a female human, methods of treating HIV infection in a female human, and methods of preparing platinum-catalyzed intravaginal rings.
    Type: Application
    Filed: October 19, 2011
    Publication date: April 19, 2012
    Applicant: International Partnership for Microbicides
    Inventors: Karl Malcolm, David Woolfson, Joseph Romano
  • Publication number: 20110314607
    Abstract: A mattress, cushion or the like has an outer cover enclosing a resilient core. The resilient core is formed by a viscoelastic foam layer with a vapour permeable reinforcing layer of stretchable material laminated onto a top surface of the viscoelastic foam layer. The reinforcing layer prevents cracking in the top surface of the viscoelastic foam layer and provides improved heat and moisture dissipation during use. The reinforcing layer is preferably formed by a spaced knitted fabric.
    Type: Application
    Filed: February 28, 2011
    Publication date: December 29, 2011
    Applicant: LANCASTRIA LIMITED
    Inventors: David Woolfson, Padraig Hackett
  • Publication number: 20110288508
    Abstract: The present invention relates to a moist, layered bioadhesive patch comprising one or more polymers. Moreover, the invention relates to a method of producing a monolayered film and a method of drying said film. Additionally, the invention relates to methods of producing bioadhesive, layered patches by combining layers of the monolayered film to obtain a desired thickness of the patch. Patches according to the invention may be used as such, or for delivering pharmaceutically active compounds, such as in a drug delivery system.
    Type: Application
    Filed: December 3, 2009
    Publication date: November 24, 2011
    Applicant: SWEDISH PHARMA AB
    Inventors: Paul A. McCarron, Ryan F. Donelly, David Woolfson
  • Publication number: 20110009776
    Abstract: A measuring device to aid mattress selection has an upstanding frame with a plurality of vertically space-apart horizontal illuminated strips. A camera mounted in front of the frame takes front view and side view images of a person standing in front of the illuminated strips. These images are delivered to an associated computer having means to determine the body mass distribution and the spine curvature of the person based on the images of the strips taken by the camera and in particular based on those portions of the image of the illuminated strips blocked by the person standing in front of the illuminated strips. This information can then be used to aid in appropriate mattress selection for the person.
    Type: Application
    Filed: September 20, 2010
    Publication date: January 13, 2011
    Inventors: David Woolfson, Duncan Bain, Lee Hubbard
  • Publication number: 20100306923
    Abstract: A hermetically sealed infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover and having a resiliently deformable filling material, comprising a vent means in the cover, characterised in that the vent means comprises a filter medium including a filter membrane for the removal of particles of microbial size and wherein the filter medium also comprises a strengthening layer of material for providing mechanical strength to the filter medium whereby the filter medium allows air flow therethrough but is substantially impermeable to liquid while maintaining a barrier to particles of microbial size.
    Type: Application
    Filed: September 15, 2008
    Publication date: December 9, 2010
    Applicant: Pneuma Pure I.P. Limited
    Inventors: William Navan, David Woolfson
  • Publication number: 20100256064
    Abstract: A microprotrusion array for use in transport of a material across a biological barrier, wherein said array comprises a plurality of microprotusions composed of a swellable polymer composition.
    Type: Application
    Filed: September 29, 2008
    Publication date: October 7, 2010
    Inventors: David A. Woolfson, Desmond Ian John Morrow, Anthony Morrissey, Ryan F. Donnelly, Paul A. McCarron
  • Publication number: 20090062693
    Abstract: A measuring device to aid mattress selection has an upstanding frame with a plurality of vertically space-apart horizontal illuminated strips. A camera mounted in front of the frame takes front view and side view images of a person standing in front of the illuminated strips. These images are delivered to an associated computer having means to determine the body mass distribution and the spine curvature of the person based on the images of the strips taken by the camera and in particular based on those portions of the image of the illuminated strips blocked by the person standing in front of the illuminated strips. This information can then be used to aid in appropriate mattress selection for the person.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 5, 2009
    Applicant: Lancastria Limited
    Inventors: David Woolfson, Duncan Bain, Lee Hubbard
  • Publication number: 20080188446
    Abstract: Pharmaceutical formulations containing tetracycline for topical administration, as well as methods of making and administering the same, are disclosed.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 7, 2008
    Applicant: WARNER CHILCOTT COMPANY INC.
    Inventors: Brendan Muldoon, David Woolfson, Stephen McCullagh
  • Publication number: 20080188445
    Abstract: Multi-part pharmaceutical formulations containing tetracycline for topical administration, as well as methods of making and administering the same, are disclosed.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 7, 2008
    Applicant: WARNER CHILCOTT COMPANY INC.
    Inventors: BRENDAN MULDOON, DAVID WOOLFSON, STEPHEN MCCULLAGH
  • Publication number: 20070271705
    Abstract: A mattress, cushion or the like has an outer cover enclosing a resilient core. The resilient core is formed by a viscoelastic foam layer with a vapour permeable reinforcing layer of stretchable material laminated onto a top surface of the viscoelastic foam layer. The reinforcing layer prevents cracking in the top surface of the viscoelastic foam layer and provides improved heat and moisture dissipation during use. The reinforcing layer is preferably formed by a spaced knitted fabric.
    Type: Application
    Filed: November 12, 2004
    Publication date: November 29, 2007
    Applicant: LANCASTRIA LIMITED
    Inventors: David Woolfson, Padraig Hackett
  • Publication number: 20070004694
    Abstract: Pharmaceutical gel compositions containing estrogen for vaginal administration, as well as a method of making the same, are disclosed.
    Type: Application
    Filed: June 16, 2006
    Publication date: January 4, 2007
    Applicant: WARNER CHILCOTT COMPANY INC.
    Inventors: David Woolfson, Karl Malcolm
  • Publication number: 20070004693
    Abstract: Pharmaceutical gel compositions containing estrogen for vaginal administration, as well as a method of making the same, are disclosed.
    Type: Application
    Filed: June 16, 2006
    Publication date: January 4, 2007
    Applicant: WARNER CHILCOTT COMPANY INC.
    Inventors: David Woolfson, Claire Gilligan
  • Publication number: 20060292223
    Abstract: Pharmaceutical gel compositions containing pharmacologically active agent for topical administration, as well as a method of making the same, are disclosed.
    Type: Application
    Filed: June 16, 2006
    Publication date: December 28, 2006
    Applicant: WARNER CHILCOTT COMPANY INC,
    Inventors: David Woolfson, Jim Mc Ilroy
  • Patent number: 7059001
    Abstract: A mattress comprises a sealed outer casing within which is mounted a resilient support formed by a composite foam core. At least an upper portion of the resilient support is formed by a visco-elastic foam. A vent is provided in a side wall of the casing and is covered by a filter which prevents ingress of bacteria into the cover. A flap is mounted on the cover and in use extends down over the vent to prevent the filter being damaged by fluids.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: June 13, 2006
    Assignee: Lancastria Limited
    Inventor: David Woolfson
  • Patent number: 6951654
    Abstract: An intravaginal antimicrobial drug delivery device is disclosed having an antimicrobial agent dispersed throughout a biocompatible elastomeric system. Also disclosed is a method of making the antimicrobial drug delivery device.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: October 4, 2005
    Assignee: Galen (Chemicals) Limited
    Inventors: Karl Malcolm, David Woolfson, Grant Elliott, Martin Shephard
  • Publication number: 20050188467
    Abstract: A mattress comprises a sealed outer casing within which is mounted a resilient support formed by a composite foam core. At least an upper portion of the resilient support is formed by a visco-elastic foam. A vent is provided in a side wall of the casing and is covered by a filter which prevents ingress of bacteria into the cover. A flap is mounted on the cover and in use extends down over the vent to prevent the filter being damaged by fluids.
    Type: Application
    Filed: September 10, 2004
    Publication date: September 1, 2005
    Applicant: Lancastria Limited
    Inventor: David Woolfson