AQUEOUS SOLUTIONS OF FLUORESCENT OPTICAL BLEACHING AGENTS Russian patent published in 2009 - IPC C11D3/42 D06L3/12 D21H21/30 

FIELD: chemistry.

SUBSTANCE: described is a composition, containing (A) 2 to 30 wt % composition of amino alcohol - 2-amino-2-methyl-1-propanol with formula (1), and (B) 70 to 98 wt % composition of fluorescent optical bleaching agent with formula (2) , where X - is hydrogen, ion of alkali metal or ammonium, or hydroxyalkylammonium radical, derived from amino alcohol (1); R₇, R₈, R₉ and R₁₀ - -OR₁₁, -NR₁₁R₁₂ or , where R₁₁ and R₁₂ - is hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, carboxyalkyl, dicarboxyalkyl, H₂N-CO-alkyl or alkylthio group.

EFFECT: high solubility in water and increased stability when storing its aqueous solutions.

4 cl, 3 tbl, 3 ex