Patents by Inventor Nicola C. Foulds

Nicola C. Foulds 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).

  • Dry strip element for the electrochemical detection of theophylline
    Patent number: 5124253
    Abstract: A dry strip element for use in an electrochemical assay for determining theophylline in a sample, the test element carrying a working electrode and a reference electrode and separately carrying at the working electrode an alkaline phosphatase and an electroinactive phosphate ester which is a substrate for the alkaline phosphatase and from which an electroactive compound can be released by catalytic activity of the alkaline phosphatase.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: June 23, 1992
    Assignee: Medisense, Inc.
    Inventors: Nicola C. Foulds, Jane M. Wilshere