Patents by Inventor Denise S. Secord

Denise S. Secord 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).

  • Halide ion-selective devices and method
    Patent number: 4199412
    Abstract: Halide ion-sensitive devices and methods for their use are described. The devices contain a halide ion-permeable overlayer which is superposed on a layer of silver halide and meets certain criteria of thickness and permeability and/or certain compositional criteria. The methods involve bringing a portion of a solution to be analyzed into contact with the halide ion-permeable overlayer and, within a selected time thereafter, measuring the difference in potential between the portion of solution and the silver halide layer.
    Type: Grant
    Filed: October 31, 1978
    Date of Patent: April 22, 1980
    Assignee: Eastman Kodak Company
    Inventors: Charles J. Battaglia, Denise S. Secord, Sang H. Kim