Patents by Inventor Mary S. Morson

Mary S. Morson 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).

  • Compositions and processes for producing chromium conversion coatings on surfaces of zinc/iron alloy
    Patent number: 4141758
    Abstract: In a process for producing a chromium protective coating on a zinc/iron alloy surface the surface has applied thereto an aqueous composition including chromium, perchlorate and fluoride ions with the chromium ion being the only metal ion present before application to the surface.
    Type: Grant
    Filed: May 3, 1977
    Date of Patent: February 27, 1979
    Assignee: Dominion Foundries and Steel, Limited
    Inventors: Wayne C. Glassman, Sydney H. Melbourne, Mary S. Morson, Urmas Soomet