Use of fluorine-free fire fighting agents

Details Use of fluorine-free fire fighting agents Use of fluorine-free fire fighting agents

2007-02-06

2007-02-06

Anthony, Joseph D. (Department: 1714)

Compositions

Fire-extinguishing

Foam or gas phase containing

C252S002000, C252S008000, C252S601000, C252S610000, C252S611000, C252S006500, C169S044000, C169S045000, C169S046000

Reexamination Certificate

active

11305554

ABSTRACT:
A foam concentrate provides a fire-fighting composition when mixed with water so that the fire-fighting composition does not form a stable seal on cyclohexane and meets UL 162, Class B performance criteria for at least one of AFFF agents and fluoroprotein (FP) agents without requiring organic fluorine. The concentrate is formed from water and a high molecular weight acidic polymer (HMWAP) and a coordinating salt.

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