Patents Assigned to Unifrax LLC
  • High temperature resistant vitreous inorganic fiber
    Patent number: 7468336
    Abstract: A high temperature resistant vitreous inorganic fiber having a use temperature of up to at least 1000° C., or greater, having after service mechanical integrity, is non-durable (soluble) in physiological fluids, and is produced from a melt containing silica, magnesia, calcia, a lanthanide series element-containing compound, and optionally zirconia.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: December 23, 2008
    Assignee: Unifrax LLC
    Inventors: Bruce K. Zoitos, Michael J. Andrejcak, Paul M. Boymel