Patents by Inventor Stephen Moreton

Stephen Moreton 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).

  • Silica-based indicating desiccants
    Patent number: 8247237
    Abstract: An indicating desiccant comprises a silica-based material having impregnated thereon a source of iron and a source of bromide, the source of iron being present in an amount up to 2.0 percent by weight, calculated as Fe with respect to weight of the silica-based material, and the source of bromide being present in an amount such that the weight ratio of Br to Fe is at least 0.1:1.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: August 21, 2012
    Assignee: PQ Silicas UK Limited
    Inventor: Stephen Moreton
  • Silica-based indicating desiccants
    Publication number: 20060258016
    Abstract: An indicating desiccant comprises a silica-based material having impregnated thereon a source of iron and a source of bromide, the source of iron being present in an amount up to 2.0 per cent by weight, calculated as Fe with respect to weight of the silica-based material, and the source of bromide being present in an amount such that the weight ratio of Br to Fe is at least 0.1:1.
    Type: Application
    Filed: January 21, 2004
    Publication date: November 16, 2006
    Inventor: Stephen Moreton
  • Humidity indicators
    Patent number: 6927063
    Abstract: Silica-based carrier impregnated with iron(III) or iron(II) salts functions as a humidity indicator giving a yellow/amber to nearly colourless colour change as the carrier humidifies.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: August 9, 2005
    Assignee: Ineos Silicas Limited
    Inventors: Stephen Moreton, Graham J. Earl
  • Humidity indicators
    Publication number: 20040209372
    Abstract: Silica-based carrier impregnated with iron(III) or iron(II) salts functions as a humidity indicator giving a yellow/amber to nearly colourless colour change as the carrier humidifies.
    Type: Application
    Filed: May 10, 2004
    Publication date: October 21, 2004
    Applicant: Ineos Silicas Limited
    Inventors: Stephen Moreton, Graham James Earl
  • Humidity indicators
    Patent number: 6753184
    Abstract: Silica-based carrier impregnated with iron(III) or iron(II) salts functions as a humidity indicator giving a yellow/amber to nearly colourless colour change as the carrier humidifies.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: June 22, 2004
    Assignee: Ineos Silicas Limited
    Inventors: Stephen Moreton, Graham J Earl
  • Silica-based indicating desiccants
    Publication number: 20040051081
    Abstract: An indicating desiccant comprises a silica-based material having impregnated thereon a source of copper and a source of bromide, the source of copper being present in an amount up to 0.5 per cent by weight, calculated as Cu with respect to weight of the silica-based material, and the source of bromide being present in an amount such that the weight ration of Br to Cu is at least 5:1. Optionally, the indicating desiccant also comprises a dye or other coloured material.
    Type: Application
    Filed: July 17, 2003
    Publication date: March 18, 2004
    Inventor: Stephen Moreton
  • Granular compositions
    Patent number: 6670311
    Abstract: A granular composition, especially for incorporation in washing powder formulations, comprises at least 40% by weight of an amorphous silica and typically at least 30% by weight of a functional ingredient such as a perfume, the amorphous silica having a surface area of at least 550 m2/g, a pore volume from about 1.0 to about 2.5 ml/g and a particle size of no more than 50 microns, the granules of said composition having a particle size from about 200 to about 2000 microns.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: December 30, 2003
    Assignee: Quest International BV
    Inventors: Derek Aldcroft, Stephen Moreton, Mike Halliday, Joseph Brain, Richard A Birch