Patents Examined by Lynn M. Kunnert
  • Crack resistant intumescent sheet material
    Patent number: 4999168
    Abstract: A handleable, flexible, crack resistant intumescent sheet material for use in mounting fragile structures comprising a preformed intumescent layer, and a reinforcing layer bonded to the intumescent layer and having a tensile strength greater that the intumescent layer.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: March 12, 1991
    Assignee: The Carborundum Company
    Inventor: John D. Ten Eyck