Patents by Inventor Susan Catrin Day

Susan Catrin Day 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).

  • Liquid sample assay device
    Patent number: 8865088
    Abstract: Disclosed is an assay device for use in the determination of the presence of at least one analyte of interest in a liquid sample; the device comprising a reaction zone in which a reagent reacts with the analyte of interest and a bibulous member which, when contacted with the liquid sample, draws liquid therefrom towards the reaction zone; the bibulous member comprising means to change color when wetted by the sample.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: October 21, 2014
    Assignee: Alere Switzerland GmbH
    Inventors: Barry Sinclair Brewster, Susan Catrin Day, Peter John Skelly, Jill Crawford
  • Assay device
    Patent number: 7718443
    Abstract: Disclosed is an assay device to determine the presence of at least one analyte of interest in a liquid sample, the device comprising means for generating a first signal (the ‘test’ signal) which indicates the presence and/or amount of analyte of interest in the sample; and means for generating a second signal, the generation of which second signal indicates both (a) the test has been successfully conducted, and that (b) sufficient time has elapsed following contact of the assay device with the liquid sample for the test to be read and the first signal to have been properly generated.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: May 18, 2010
    Assignee: Inverness Medical Switzerland GmbH
    Inventors: Natalie Elizabeth Beesley, Barry Sinclair Brewster, Susan Catrin Day, Adrian Leslie Walker
  • Liquid sample assay device
    Publication number: 20040253142
    Abstract: Disclosed is an assay device for use in the determination of the presence of at least one analyte of interest in a liquid sample; the device comprising a reaction zone in which a reagent reacts with the analyte of interest and a bibulous member which, when contacted with the liquid sample, draws liquid therefrom towards the reaction zone; the bibulous member comprising means to change colour when wetted by the sample.
    Type: Application
    Filed: May 14, 2004
    Publication date: December 16, 2004
    Inventors: Barry Sinclair Brewster, Susan Catrin Day, Peter John Skelly, Jill Crawford