Patents Assigned to Cal-West Speciality Coatings, Inc.
  • Protective masking solutions comprising thixotropic film formers
    Patent number: 7879936
    Abstract: This invention provides a masking material that can be used to protect an underling surface (e.g., an automobile surface) during an overcoating (e.g., painting) operation. The masking material in one embodiment includes a thickener and a pH control agent and water. The masking material can be applied to a surface that is to be protected from paint overspray or other coating processes, allowed to dry, and the surface then coated (e.g., with paint). After drying of the paint, or other coating, the masking material can removed by water washing.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: February 1, 2011
    Assignee: Cal-West Speciality Coatings, Inc.
    Inventors: Edward W. Woodhall, Robert Louis Mesa