Fluoroscent whitening agent formulation for detergents
AssigneeCiba Specialty Chemicals Corporation
InventorsGerhard Merkle, J?uuml;rgen Kaschig, Josef Zelger, Serge Schroeder
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Abstract
A liquid fluorescent whitening agent formulation comprising: a) a compound of formula (1), in which R1 represents hydrogen, 1-5 C-alkyl, 1-5 C-alkoxy or halogen, M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium; b) a polyhydroxy compound; c) 5 to 95% water, whereby the ratio of the compound of Formula (1) to the polyhydroxy compound is between 10:90 and 90:10 parts by weight and the total weight of these compounds in the formulation is between 5 and 95% and, optionally, auxiliary stabilizing agents and the use thereof for the manufacture of detergents with improved shade consistency.
Claims8
A fluorescent whitening agent formulation comprising:
- a) a compound of formula
- 3
- in which R1 represents hydrogen, 1-5 C-alkyl, 1-5 C-alkoxy or halogen, M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium;
- b) a polyhydroxy compound;
- c) 5 to 95% water, whereby the ratio of the compound of Formula (1) to the polyhydroxy compound is between 10:90 and 90:10 parts by weight and the total weight of these compounds in the formulation is between 5 and 95% and, optionally,
- d) auxiliary stabilizing agents.
A formulation according to any one of the preceding claims, comprising
- a) 10 to 45% of the compound of formula (2);
- b) 5 to 90% of glycerine;
- c) 5 to 85% of water and
- d) auxiliary stabilizing agents,
A formulation according to any one of the preceding claims in which the compound of formula (1) is in a white crystal form.
Use of a formulation according to any of the preceding claims for the manufacture of detergents with improved shade consistency.
Dependencies are inferred from the claim text.