| abstract |
The invention relates to (i) 50% to 99% C1 per 100% of its weight: (a) 65% to 90% C7 to C17 alkyl glutamate and (b) 10% to 35% formula. C1-comprising R1-C(=O)-OH; and (ii) 1% to 50% of C2 per 100% of its weight: (c) 14% to 80% of R3-O-. C3 represented by (G3)pH (R3 represents C12 to C16, G3 represents a residue of a reducing sugar, and 1.05≦p≦5), and (d) 0% to 3% Alcohol R3-OH, (e) 20% to 80% R4-O-(G4)q-H (R4 represents C4 to C7, G4 represents a reducing sugar residue, and 1.05 ≤ q ≤ 5 And (f) C2 containing (f) 0% to 3% alcohol R4-OH; The invention also relates to the use of the surfactant mixture as a constituent of a fire-extinguishing stock solution. The present invention also discloses methods for extinguishing fires. |