Patents by Inventor Graham J. Earl

Graham J. Earl 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).

  • Stabilising Beverages
    Publication number: 20100021601
    Abstract: A process for stabilising a beverage against haze formation comprising treating the beverage with a stabilising agent comprising a particulate silica having a mean pore diameter of at least 6 nm and which has been modified by interaction with a water-soluble polymer having pendant pyrrolidone groups, the polymer being present on the silica in an amount from 5 to 35 percent by weight with respect to anhydrous weight of silica.
    Type: Application
    Filed: October 5, 2009
    Publication date: January 28, 2010
    Applicant: PQ Silicas Limited
    Inventors: Graham J. Earl, Ian P. McKeown
  • 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
    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
  • Stabilising beverages
    Publication number: 20040062835
    Abstract: A process for stabilising a beverage against haze formation comprises treating the beverage with a stabilising agent comprising a particulate silica having a mean pore diameter of at least 6 nm and which has been modified by interaction with a water-soluble polymer having pendant pyrrolidone groups, the polymer being present on the silica in an amount from 5 to 35 per cent by weight with respect to anhydrous weight of silica.
    Type: Application
    Filed: July 18, 2003
    Publication date: April 1, 2004
    Inventors: Graham J. Earl, Ian P. McKeown