Foaming composition and use thereof as a fire-extinguishing foam
US5997758A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Nov 28, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D1/0085
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A foaming composition containing one or more fluorinated surfactants and or more alkylpolyglycoside hemisulphosuccinate surfactants of formula (I) is described, ##STR1## wherein R is a straight or branched chain alkyl radical with 6-18 carbon atoms, S is a sugar residue, one of R.sub.1, and R.sub.2 is a SO.sub.3 M group, and the other a hydrogen atom, M is an alkali metal, preferably sodium, X is an integer of 1 to 10, preferably of 1 to 4. The foaming composition is useful as a fire-extinguishing foam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.