Laundry detergent compositions comprising zwitterionic polyamines

A laundry detergent composition comprising:

• A) from about 0.01% by weight of a hydrophobically modified polyamine selected from hydrophobically modified polyamines having the formulas:
• 38
• and mixtures thereof;
• wherein M is a water soluble cation;
• X is a water soluble anion selected from the group consisting of chlorine, bromine, iodine, methylsulfate, and mixtures thereof
• B) from 0.01% to 80% by weight, of a surfactant system comprising one or more surfactants selected from:
• i) from 0% to 100% by weight, of one or more anionic surfactants;
• ii) from 0% to 100% by weight, of one or more nonionic surfactants;
• iii) optionally from 0.1% to about 80% by weight, of one or more cationic surfactants;
• iv) optionally from 0.1% to about 80% by weight, of one or more zwitterionic surfactants;
• v) optionally from 0.1% to about 80% by weight, of one or more ampholytic surfactants;
• or
• vi) mixtures thereof;
• C) the balance carriers and adjunct ingredients.

A method for cleaning fabric comprising the step of contacting an article of fabric with an aqueous solution containing at least 0.1% by weight of a composition comprising:

• A) from about 0.01% by weight of a hydrophobically modified polyamine having the formula:
• 39
• wherein R is C5-C20 linear or branched alkylene, and mixtures thereof;
• R1 is an alkyleneoxy unit having the formula:
• —(R2O)x—R3
• wherein R2 is C2-C4 linear or branched alkylene, and mixtures thereof;
• at least one R3 is an anionic unit, and the remaining R3 moieties are selected from the group consisting of hydrogen, C1-C22 alkyl, C7-C22 alkylenearyl, an anionic unit, and mixtures thereof;
• x is from 15 to 30;
• Q is a hydrophobic quaternizing unit selected from the group consisting of C8-C30 linear or branched alkyl, C6-C30 cycloalkyl, C7-C30 substituted or unsubstituted alkylenearyl, and mixtures thereof;
• X is an anion present in sufficient amount to provide electronic neutrality;
• n is from 0 to 4;
• B) from about 0.01% by weight of a surfactant system comprising one or more surfactants selected from:
• i) from 0% to 100% by weight, of one or more anionic surfactants;
• ii) from 0% to 100% by weight, of one or more nonionic surfactants;
• iii) optionally from 0.1% to about 80% by weight, of one or more cationic surfactants;
• iv) optionally from 0.1% to about 80% by weight, of one or more zwitterionic surfactants;
• v) optionally from 0.1% to about 80% by weight, of one or more ampholytic surfactants;
• or
• vi) mixtures thereof;
• C) the balance carriers and adjunct ingredients.