Patent · US Expired

Foam fire extinguishing agent

US4049556A · kind A · utility

44Cited by
2References
9Claims
0Family size

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Key dates

Filing dateJan 20, 1976
Grant dateSep 20, 1977
Priority date
Expiry dateJan 20, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S516/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A foam fire extinguishing agent comprising (1) one or more alkyl acid phosphates and/or one or more salts thereof; (2) one or more amphoteric surface active agents; (3) one or more fluorocarbon-type surface active agents; and (4) an aqueous solution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.