Patents by Inventor Daniel M. Bourgeois

Daniel M. Bourgeois 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).

  • Process for the surface treatment of lithographic printing plate precursors
    Patent number: 5551585
    Abstract: A process is disclosed to produce a fine honeycomb grain with matte finishing on an aluminum surface in alkaline solution with or without electrical treatment. To achieve the fine honeycomb, a passivation enhancement step is used prior to alkaline etching with or without electricity. The matte appearance with fine honeycomb topography on the aluminum surface is produced by silicating raw aluminum prior to alkaline etching.
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: September 3, 1996
    Assignee: Sun Chemical Corporation
    Inventors: Jen-chi Huang, Daniel M. Bourgeois