Patents by Inventor Joseph Kennedy Walker

Joseph Kennedy Walker 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).

  • Publication number: 20130092688
    Abstract: Paint in a container is inhibited against skinning by providing a layer of a barrier material comprising an non-VOC inhibiting composition and optionally water on the upper surface the bulk paint in the container.
    Type: Application
    Filed: September 9, 2011
    Publication date: April 18, 2013
    Applicant: THE SHERWIN-WILLIAMS COMPANY
    Inventors: Joseph Kennedy Walker, Donald Lee Betz, James Michael Cameron, Norbert Erwin Graff
  • Patent number: 6245141
    Abstract: An aqueous tannin stain-inhibiting coating composition comprising a titanate coupling agent. Also, a process for inhibiting tannin staining in a tannin-containing substrate is disclosed which involves applying to the substrate a coating composition comprising a titanate coupling agent.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: June 12, 2001
    Inventors: Joseph Kennedy Walker, Jr., Catherine A. Scott