Patents by Inventor Michael G. Weeks

Michael G. Weeks 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).

  • Method for forming printing plates and plate-making element
    Patent number: 5032486
    Abstract: A method for making printing plates wherein free radicals generated in a metallic silver image migrate into an image-receiving layer which comprises a free radical polymerizable polymer, thereby forming a printing image of hardened polymer in the image-receiving layer. Also, plate-making elements which may be used in such method to make lithographic printing plates.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: July 16, 1991
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Charles G. Barlow, Michael G. Weeks