Patent ID: 11951345
Assignee: TYCO FIRE PRODUCTS LP
Field: Machine tools (Mechanical engineering)
Classification: CPC A | IPC A

Claim 16:
17. A method of fighting a fire comprising:
aerating a firefighting foam composition to form an aerated firefighting foam;
administering the aerated firefighting foam to a fire or applying the aerated firefighting foam to a surface of a volatile flammable liquid;
wherein:
the firefighting foam composition comprises:
a sugar component;
a surfactant component comprising an anionic surfactant and a zwitterionic surfactant;
a polysaccharide thickener comprising succinoglycan;
a suspension agent comprising microfibrous cellulose; and
at least about 30 wt. % water; and
wherein the firefighting foam composition is substantially free of non-ionic surfactants.