Patents by Inventor Janice Kay Stuber

Janice Kay Stuber 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).

  • Potassium silicate developing composition and method of use to process lithographic printing plates
    Patent number: 5897985
    Abstract: An alkaline developing composition for processing a lithographic printing plate includes an alkali metal silicate present in an amount to provide at least about 42 g SiO.sub.2 per 1000 g of composition, and a weight ratio of SiO.sub.2 to M.sub.2 O of from about 0.55 to about 0.925 wherein M is said the metal. The lithographic printing plate can be either positive- or negative-working, and includes negative-working thermal plates.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: April 27, 1999
    Assignee: Kodak Polychrome Graphics, LLC
    Inventors: Gary Roger Miller, Janice Kay Stuber, Melanie Ann Felker