US 11,951,345 B2
Firefighting foam composition
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, Cranston, RI (US)
Filed on Apr. 26, 2023, as Appl. No. 18/307,712.
Application 18/307,712 is a continuation of application No. 17/723,019, filed on Apr. 18, 2022, granted, now 11,673,011.
Application 17/723,019 is a continuation in part of application No. 17/694,665, filed on Mar. 14, 2022.
Claims priority of provisional application 63/297,384, filed on Jan. 7, 2022.
Claims priority of provisional application 63/288,026, filed on Dec. 10, 2021.
Claims priority of provisional application 63/288,024, filed on Dec. 10, 2021.
Claims priority of provisional application 63/288,020, 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 2023/0256281 A1, Aug. 17, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A62D 1/02 (2006.01); A62C 99/00 (2010.01); A62D 1/00 (2006.01)
CPC A62D 1/0071 (2013.01) [A62C 99/0036 (2013.01)] 17 Claims
 
1. A firefighting foam concentrate comprising:
a sugar component comprising at least about 50 wt. % of a monosaccharide, sugar alcohol, or a mixture of any two or more thereof;
a surfactant component comprising an anionic surfactant and a zwitterionic surfactant;
a polysaccharide thickener comprising succinoglycan;
a suspension agent comprising microfibrous cellulose; and
wherein the firefighting foam concentrate is substantially free of non-ionic surfactants.