Patents by Inventor Dolores L. Humbert

Dolores L. Humbert 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).

  • Detection of hydrolyzing enzymes
    Patent number: 4782018
    Abstract: A composition of a polysaccharide with a detectable material appended thereto and a 1,3-dione having a methylene group between the two carbonyls of the 1,3-dione, which methylene group has at least one ionizable hydrogen, provides accurate results in assays of hydrolyzing enzymes such as amylase. The composition can be incorporated in the reagent zone of a dry test element having a reagent zone and a registration zone.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: November 1, 1988
    Assignee: Eastman Kodak Company
    Inventors: Jon N. Eikenberry, Karen L. Warren, Brooke P. Schlegel, Dolores L. Humbert