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US 7,182,881 B2Granted
Fire extinguishing agent and fire extinguisher
AssigneeKabushiki Kaisha Toshiba
InventorsMasahiro Kato, Sawako Yoshikawa, Kenji Essaki, Kazuaki Nakagawa
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Abstract
A fire extinguishing agent contains at least one compound selected from the group consisting of an alkali hydrogencarbonate and an alkali carbonate, the alkali hydrogencarbonate being thermally decomposed to generate carbon dioxide and an alkali carbonate, a metal oxide that reacts with the alkali carbonate to generate carbon dioxide, and a hydrophobic binder.
Claims11
A fire extinguishing agent, comprising:
- an alkali hydrogencarbonate capable of thermally decomposing to generate carbon dioxide and an alkali carbonate;
- silicon dioxide capable of reacting with the alkali carbonate to generate carbon dioxide;
- and
- a hydrophobic binder;
- wherein the silicon dioxide is contained in an amount falling within a range between 20 mol % and 80 mol % based on the sum of the alkali hydrogencarbonate and the silicon dioxide.
2 more elements
Dependencies are inferred from the claim text.