Patents by Inventor Kathy K. Sweeney

Kathy K. Sweeney 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).

  • Permanganate Based Conversion Coating Compositions
    Publication number: 20200354837
    Abstract: A composition for application to a substrate comprising a carrier, a permanganate ion source, and a corrosion inhibitor comprising a rare earth ion, an alkali metal ion, an alkaline earth metal ion, and/or a transition metal ion is disclosed. A substrate or article including the composition for application to a substrate, and a method of treating a substrate comprising applying the composition to a substrate to form a permanganate treated surface of the substrate, and applying a lithium containing composition on the permanganate treated surface are also disclosed.
    Type: Application
    Filed: June 1, 2020
    Publication date: November 12, 2020
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Eric L. Morris, Jane B. Moon, Kathy K. Sweeney