Patents Assigned to No Fire Engineering, Inc.
  • Intumescent fire-retardant and electrically-conductive coating material
    Patent number: 4965296
    Abstract: A fire-retardant coating material includes a fluid intumescent material and conductive particles of various sizes dispersed or suspended therein for particular applications. The fluid intumescent material includes a foaming agent, a blowing agent gas source, a carbonific or charring agent, a film-forming binder, a solvent and, in some cases, a pigment or filler. The conductive particles are formed of a substrate and a conductive coating.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: October 23, 1990
    Assignee: No Fire Engineering, Inc.
    Inventor: Otis H. Hastings