Patents by Inventor Graham John Collyer

Graham John Collyer 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: 9339416
    Abstract: There is provided a dressing (10) which comprises a cover sheet (20) and an absorbent sheet (30). In one embodiment the cover sheet (20) and absorbent sheet (30) have edges which are coterminous along part of their extent and the cover sheet (20) comprises a portion projecting beyond the edge of the absorbent sheet (30) such that, in use, said portion can overly part of an adjacent dressing. Also provided are methods of using dressings and a kit of parts for forming a patchwork dressing.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: May 17, 2016
    Assignee: Sumed International (UK) Limited
    Inventor: Graham John Collyer
  • Publication number: 20130012897
    Abstract: There is provided a dressing (10) which comprises a cover sheet (20) and an absorbent sheet (30). In one embodiment the cover sheet (20) and absorbent sheet (30) have edges which are coterminous along part of their extent and the cover sheet (20) comprises a portion projecting beyond the edge of the absorbent sheet (30) such that, in use, said portion can overly part of an adjacent dressing. Also provided are methods of using dressings and a kit of parts for forming a patchwork dressing.
    Type: Application
    Filed: January 28, 2011
    Publication date: January 10, 2013
    Applicant: SUMED INTERNATIONAL (UK) LIMITED
    Inventor: Graham John Collyer
  • Patent number: 5973221
    Abstract: A wound dressing for moist wounds is formed from a body layer (1) with a wound-contacting layer (3) attached to an inner surface and a barrier backing layer (2) attached to an outer surface. The body layer (1) is a resiliently compressible moisture-absorbent polyurethane foam film. The wound-contacting layer (3) is preferably a hydrophilic moisture permeable foam film.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 26, 1999
    Assignee: Seton Healthcare Group PLC.
    Inventors: Graham John Collyer, Paul Alan Gray
  • Patent number: 5914125
    Abstract: The dressing for heavily exuding wounds comprises a hydrophilic foam having an absorptive capacity of at least 10 times its own weight, such as a hydrophilic polyether polyurethane foam material derived from a foamable composition comprising a polyol component containing ethylene oxide groupings. For use on bleeding wounds and/or to improve the absorptive capacity of the foam itself, the foam may be impregnated with alginate, which acts both as a haemostat and as an absorption improver. The dressing may include a backing layer which provides a barrier to microorganisms.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: June 22, 1999
    Assignee: Ultra Laboratories Limited
    Inventors: Trevor John Andrews, Graham John Collyer