COMPOSITIONS, PRODUCTION AND USE THEREOF AND SUITABLE COMPONENTS Russian patent published in 2021 - IPC C07C227/18 C07C229/16 C11D3/37 C11D1/04 

FIELD: hygiene.

SUBSTANCE: disclosed is a dish washing composition comprising glassware, metal utensils, plastic utensils and porcelain dishware, kitchen utensils, objects, having at least one surface of glass, comprising (A) citric acid or salt of an alkali metal and citric acid, (B) at least one graft copolymer, formed from (a) at least one grafting base selected from non-ion polysaccharides, and side chains obtained by grafting, (b) at least one ethylenically unsaturated mono- or dicarboxylic acid and (c) at least one compound of general formula (I)

,

wherein the variables are defined as follows: R¹ is selected from methyl and hydrogen, A¹ is selected from alkylene with 2–4 carbon atoms, R² are identical or different and are selected from alkyls with 1–4 carbon atoms, X⁻ is selected from a halide, monoalkyl sulphate with 1–4 carbon atoms in alkyl and sulphate, (C) from zero to maximum 0.5 wt % methylglycine diacetic acid (MGDA) or its alkali metal salts and/or glutamine diacetic acid (GLDA) or its alkali metal salts.

EFFECT: technical result is the creation of compositions having good ability to suppress deposits, especially in means not containing phosphates.

15 cl, 3 tbl