Patents Assigned to Wormald Canada Inc.
  • Foam fire extinguishing compositions for aerial fire extinguishing
    Patent number: 4770794
    Abstract: Compositions and methods for retarding and extinguishing forest fires and ground fires by dropping air-activated foam compositions comprising 1% to 80% hydrocarbon surfactants, 0.1% to 6% by weight foam stabilizers, 0% to 30% by weight of solvents and 1% to 98.9% by weight of water.
    Type: Grant
    Filed: July 7, 1986
    Date of Patent: September 13, 1988
    Assignee: Wormald Canada Inc.
    Inventors: Edward Cundasawmy, George Cowan