| abstract |
FIELD: automatic dishwashers. n SUBSTANCE: present invention relates to the use of a composition containing polyalkyleneimine and/or its salts or derivatives thereof and an amphoteric polymer during an automatic dishwashing process. Described is a method for automatic dishwashing, comprising introducing into an automatic dishwasher a composition containing: polyalkyleneimine and/or its salt or its derivative and at least one amphoteric polymer, with the amphoteric polymer being a water-soluble or water-dispersible copolymer comprising, in form of polymerized units, at least one monomer having an amino functional group, and at least one hydrophilic monomer of acidic nature. n EFFECT: overcoming poor rinsing ability. n 10 cl, 3 tbl |