NOVEL SURFACTANT MIXTURE, NOVEL COMPOSITION COMPRISING SAME AND USE THEREOF IN FOAM LIQUIDS FOR FIGHTING FIRES
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United States of America Patent
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Issued Date -
Oct 17, 2019
app pub date -
Dec 12, 2017
filing date -
Dec 23, 2016
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Abstract
Surfactant mixture comprising (i) 50%-99% C1 comprising for 100% of its weight: (a) 65%-90% of a compound R1-C(═O)—NH—CH(COOH)—(CH2CH2)-COOH, R1 represents C7-C17, (b) 10%-35% of a compound R1-C(═O)—OH (ii) 1%-50% C2 comprising for 100% of its weight: (c) 37.5%-100% R3-O-(G3)p-H, R3 represents C12-C16, G3 represents the residue of a reducing sugar, 1.05≤p≤5, (d) 0%-37.5% of an alcohol R3-OH, (e) 0%-12.5% of R4-O-(G4)q-H, R4 represents C4-C7, G4 represents the residue of a reducing sugar, 1.05≤q≤5, (f) 0%-12.5% of an alcohol R4-OH. Use of the surfactant mixture as constituent of a fire-fighting foam liquid. Method for extinguishing a fire.
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