Fire-fighting foam concentrate
US11497952B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2022 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Apr 18, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D1/0042
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of fighting a fire, the method includes aerating a firefighting foam composition to form an areated 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 includes 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 at least two compounds selected from C8-C14-aliphatic alcohols and ethoxylates of C10-C14-aliphatic alcohols having an average of no more than about 6 ethylene oxide units; and at least about 30 wt. % water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.