Patents by Inventor Marda K. Kirkwood

Marda K. Kirkwood 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).

  • Enzyme drying process
    Patent number: 4617272
    Abstract: A process for removing the water from an enzyme-containing aqueous medium is disclosed which comprises spraying the medium onto a heated, fluidized bed of inert substrate particles and recovering a dry enzyme concentrate therefrom.
    Type: Grant
    Filed: April 25, 1984
    Date of Patent: October 14, 1986
    Assignee: Economics Laboratory, Inc.
    Inventors: Marda K. Kirkwood, Keith E. Olson