Fire extinguishing and inhibiting material
AssigneeOld Firehand Corporation
InventorEdmund R. Pennartz
Life of this patent
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Abstract
In one embodiment of the present invention, a fire extinguishing and inhibiting material comprising potassium hydroxide, citric acid, diammonium phosphate, and urea in an aqueous solution is applied to an object to extinguish and inhibit fires. In accordance with another embodiment of the present invention, a film-forming extinguishing material comprising potassium hydroxide, citric acid, diammonium phosphate, urea, surfactant, and trichloroethylene is applied to liquid fuel and self-propelled liquid fuel fires to extinguish and inhibit combustion.
Claims9
A fire extinguishing and inhibiting material, comprising by weight one percent (1%) to five percent (5%) potassium hydroxide, two percent (2%) to seven percent (7%) citric acid, four percent (4%) to fourteen percent (14%) diammonium phosphate, and four percent (4%) to eight percent (8%) urea.
A film-forming extinguishing material, comprising by weight one percent (1%) to five percent (5%) potassium hydroxide, two percent (2%) to seven percent (7%) citric acid, four percent (4%) to fourteen percent (14%) diammonium phosphate, four percent (4%) to eight percent (8%) urea, and one percent (1%) to six percent (6%) surfactant.
Dependencies are inferred from the claim text.