Patent ID: 11911644
Assignee: TYCO FIRE PRODUCTS LP
Field: Environmental technology (Chemistry)
Classification: CPC A | IPC A

Claim 3:
4. The aqueous fire-fighting foam concentrate of claim 1 comprising:
about 5 to 40 wt. % of the sugar component comprising at least about 50 wt. % of a monosaccharide sugar, a sugar alcohol, or a mixture thereof;
about 2 to 20 wt. % of the anionic surfactant comprising one or more of an aliphatic sulfate salt, an aliphatic sulfonate salt, an aliphatic ether sulfate salt, and an aliphatic ether sulfate salt;
about 1 to 10 wt. % of the zwitterionic surfactant comprising one or more of an alkylamidoalkyl betaine, an alkyl sulfobetaine, an alkylamidoalkyl hydroxysultaine, and an alkyl hydroxysultaine;
about 0.1 to 5 wt. % of the polysaccharide thickener; and
about 1 to 20 wt. % of the water-miscible organic solvent comprising one or more of a glycol, glycol ether, glycerol, and a water-soluble polyethylene glycol (PEG); and
at least about 30 wt. % water; and
wherein the concentrate contains no more than 0.01 wt. % fluorinated surfactants.