US 11,964,179 B2
Fire-fighting foam concentrate
JoAnna M. Monfils, Peshtigo, WI (US); John P. Libal, Peshtigo, WI (US); and Blake H. Bomann, Greenville, WI (US)
Assigned to Tyco Fire Products LP, Cranston, RI (US)
Filed by Tyco Fire Products LP, Lansdale, PA (US)
Filed on Oct. 17, 2022, as Appl. No. 17/967,655.
Application 17/967,655 is a continuation of application No. 17/722,991, filed on Apr. 18, 2022, granted, now 11,497,952.
Application 17/722,991 is a continuation in part of application No. 17/694,652, filed on Mar. 14, 2022.
Claims priority of provisional application 63/297,384, filed on Jan. 7, 2022.
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 2023/0051502 A1, Feb. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A62D 1/02 (2006.01); A62D 1/00 (2006.01)
CPC A62D 1/0071 (2013.01) [A62D 1/0042 (2013.01)] 18 Claims
 
1. A firefighting foam composition 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 an ethoxylate of a C10-C14-aliphatic alcohol having an average of no more than about 6 ethylene oxide units or a mixture of an C8-C14-aliphatic alcohol and an ethoxylate of C10-C14-aliphatic alcohols having an average of no more than about 6 ethylene oxide units;
a sugar component comprising fructose, glucose, or a mixture thereof;
at least about 30 wt. % water; and
an agent that is a biocide, a corrosion inhibitor, a reducing agent, a microfibrous cellulose, or a mixture of any two or more thereof.