Compositions – Fire-extinguishing – Foam or gas phase containing
Reexamination Certificate
2006-03-14
2006-03-14
Anthony, Joseph D. (Department: 1714)
Compositions
Fire-extinguishing
Foam or gas phase containing
C252S002000, C252S008000, C252S601000, C252S610000, C252S611000, C252S006500
Reexamination Certificate
active
07011763
ABSTRACT:
A foam concentrate or fire fighting composition for extinguishing and/or retarding fires is provided that meets UL162, Class B performance criteria for at least one of AFFF agents, AR-AFFF agents and fluoroprotein (FP) agents. The concentrate is used to form the fire fighting composition when mixed with water. The concentrate or fire fighting composition includes a high molecular weight fluoropolymer and water and may have a fluorine content wherein less than about 0.008% fluorine by weight of the fire fighting composition is provided from any fluorochemical surfactant. Further, the composition may meet the UL162, Class B performance criteria without forming a stable seal on cyclohexane.
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Anthony Joseph D.
Bergen Grady K.
Chemguard Incorporated
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