Aqueous foam fire extinguisher
US4536298A · kind A · utility
54Cited by
12References
12Claims
0Family size
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Inventors
Key dates
| Filing date | Mar 30, 1983 |
| Grant date | Aug 20, 1985 |
| Priority date | — |
| Expiry date | Mar 30, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D1/0085
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An aqueous foam fire extinguisher comprising (A) a surface-active agent having an anionic hydrophilic group, (B) a cationic water-soluble polymeric substance, and, optionally, (C) a polybasic acid compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.