DETERGENT WITH COLOUR PROTECTION Russian patent published in 2016 - IPC C11D3/00 C11D3/34 C11D11/00 C07C275/28 

FIELD: chemistry.

SUBSTANCE: invention relates to detergent containing dye transfer inhibitor in the form of a urea derivative with general formula I, where M denotes H or alkaline metal, A and B independently from each other denote an aromatic part of the molecule, which is a benzol or naphthalene group, optionally containing up to 3 alkyl substitutes with 1-4 carbon atoms, a and b independently from each other denote 0, 1, 2 or 3 and a+b≥1, and c denotes 1, 2 or 3, in addition to traditional components compatible with the above ingredient, where said detergent contains from 0.1 WT% to 10 WT%, preferably from 0.2 WT% to 5 WT%, of urea derivative which inhibits transfer of colouring agent of general formula. Present invention relates to use of urea derivatives of general formula I (versions) and to a method of washing textile products.

EFFECT: technical result of this invention is creation of a detergent composition with urea derivatives inhibiting dye transfer.

9 cl, 6 ex