	US 11,883,704 B2
	Fire-fighting foam concentrate
JoAnna M. Monfils, Peshtigo, WI (US); and John P. Libal, Peshtigo, WI (US)
Assigned to Tyco Fire Products LP, Cranston, RI (US)
Filed by Tyco Fire Products LP, Lansdale, PA (US)
Filed on Mar. 14, 2022, as Appl. No. 17/694,652.
Claims priority of provisional application 63/288,020, filed on Dec. 10, 2021.
Claims priority of provisional application 63/288,024, filed on Dec. 10, 2021.
Claims priority of provisional application 63/288,026, filed on Dec. 10, 2021.
Claims priority of provisional application 63/245,028, filed on Sep. 16, 2021.
Claims priority of provisional application 63/215,006, filed on Jun. 25, 2021.
Claims priority of provisional application 63/188,633, filed on May 14, 2021.
Prior Publication US 2022/0362601 A1, Nov. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A62D 1/02 (2006.01); A62C 99/00 (2010.01)

CPC A62D 1/0071 (2013.01) [A62C 99/0036 (2013.01)]

20 Claims

1. An aqueous fire-fighting foam concentrate comprising:

a surfactant component comprising an anionic surfactant, a zwitterionic surfactant, optionally a nonionic surfactant, or a mixture of any two or more thereof;

an aliphatic alcohol-based component comprising a C₈-C₁₄-aliphatic alcohol and an ethoxylate of a C₁₀-C₁₄-aliphatic alcohol having an average of no more than about 6 ethylene oxide units; and

at least about 30 wt. % water.