Alkoxylated alkanols for enhancing the activity of antimicrobial agents

2:

• The composition according to claim 1, comprising:
• (a) 0.0002 to 0.009% by weight, relative to the total weight of the composition, of the at least one antimicrobial agent of formula (I);
• and
• (b) 0.002 to 0.2% by weight, relative to the total weight of the composition, of the at least one alkoxylated alkanol.

3:

• The composition according to claim 2, comprising
• (a) 0.0015 to 0.008% by weight, relative to the total weight of the composition, of the at least one antimicrobial agent of formula (I);
• and
• (b) 0.01 to 0.05% by weight, relative to the total weight of the composition, of the at least one alkoxylated alkanol.

5:

• The composition according to claim 1, wherein:
• R1 is C5-C20-alkyl or octyl-phenyl-O—CH2CH2—O—CH2CH2—;
• R2 is benzyl;
• R3 and R4 are methyl;
• and
• Xp− is a halide anion;
• or
• R1 and R2, independently of each other, are C8-C20-alkyl;
• R3 and R4 are methyl;
• and
• Xp− is a halide anion.

6:

• The composition according to claim 5, wherein:
• R1 is C8-C20-alkyl;
• R2 is benzyl;
• R3 and R4 are methyl;
• and
• Xp− is chloride;
• or
• R1 and R2, independently of each other, are C5-C12-alkyl;
• R3 and R4 are methyl;
• and
• Xp− is chloride.

14:

• The composition according to claim 1, wherein:
• R1 is C8-C20-alkyl;
• R2 is benzyl;
• R3 and R4 are methyl;
• and
• and Xp− is chloride;
• or
• R1 and R2, independently of each other, are C8-C12-alkyl;
• R3 and R4 are methyl;
• and
• Xp− is chloride
• component (b) is a C6-C14-alkanol ethoxylated with 3 to 5 units of ethylene oxide on average;
• and
• component (a) and component (b) are present in an overall weight ratio, (a):(b), of from 1:1 to 1:50.

16:

• The composition according to claim 15, comprising:
• (a) 0.0002 to less than 0.01% by weight, relative to the total weight of the composition, of the at least one antimicrobial agent of the formula (I);
• (b) 0.002 to 0.4% by weight, relative to the total weight of the composition, of the at least one alkoxylated alkanol;
• (c) 0 to 10% by weight, relative to the total weight of the composition, of one or more surfactants different from component (b);
• (d) 0 to 90% by weight, relative to the total weight of the composition, of at least one C2-C3-alkanol;
• (e) 0 to 10% by weight, relative to the total weight of the composition, of at least one organic solvent different from component (d);
• (f) 0 to 10% by weight, relative to the total weight of the composition, of at least one sequestrant;
• (g) 0 to 10% by weight, relative to the total weight of the composition, of a further additive;
• and
• (h) a balance, but at least 30% by weight, relative to the total weight of the composition, of water.

25:

• The method according to claim 24, wherein:
• R1 is C8-C20-alkyl;
• R2 is benzyl;
• R3 and R4 are methyl;
• and
• Xp− is chloride;
• or
• R1 and R2, independently of each other, are C8-C12-alkyl;
• R3 and R4 are methyl;
• and
• Xp− is chloride.