Patents by Inventor Michael L. Parkinson

Michael L. Parkinson 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).

  • Antihalation/acutance system for photothermographic materials
    Patent number: 6479220
    Abstract: A method of imaging comprising: providing a photothermographic material having at least one photothermographic medium and exposing said material to a source of narrow band radiation, wherein said material comprises one or more non-sensitizing acutance or antihalation dyes associated with said photothermographic medium providing an absorption maximum (&lgr;max) within 10 nm of the wavelength of maximum output of said narrow band source and an optical density of at least 0.05 at a wavelength (&lgr;max+50) nm.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: November 12, 2002
    Assignee: Eastman Kodak Company
    Inventors: Michael L. Parkinson, Duncan McL A. Grieve