Patents by Inventor Neil Bonnett Graham

Neil Bonnett Graham 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).

  • Hydratable Polymer Materials
    Publication number: 20080282611
    Abstract: The present invention relates to the field of hydratable polymer materials and hydrogels. In particular, the present invention describes polyurethane polymer networks for releasably retaining water, and methods for preparing the same.
    Type: Application
    Filed: August 21, 2006
    Publication date: November 20, 2008
    Inventors: Neil Bonnett Graham, John Angus Fraser, Abdul Rashid, Charles Martin
  • Measurement of water content
    Patent number: 5694806
    Abstract: A device for indicating the water content of a medium into which the device is inserted, and which includes a scale which mounts a body of a water-swellable hydrogel. The scale has marked thereon an indication of water content, such that contact of the hydrogel body with water or moisture in the medium causes a peripheral portion of the hydrogel to expand and such that the position of the expanded peripheral portion in conjunction with the scale indicates the water content of the medium.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: December 9, 1997
    Assignee: University of Strathclyde
    Inventors: Charles Martin, Neil Bonnett Graham