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US 6,660,705 B1Granted
Liquid fluorescent whitening agent formulation
AssigneeCiba Specialty Chemicals Corporation
InventorsRainer Hans Traber, Helena Dbaly, Josef Zelger
Life of this patent
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Abstract
A liquid fluorescent whitening agent formulation comprising: a) 10 to 20% of a compound of formula (1) in which R1represents hydrogen, 1-5 C-alkyl, 1-5 C-alkoxy or halogen, M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium; b) 20 to 50% of a non-ionic surfactant; c) 20 to 40% of a polyhydroxy compound; d) 0 to 20% of a glycol compound and e) 1 to 50% water and use thereof for improving the whiteness aspect of detergents.
Claims13
A liquid fluorescent whitening agent formulation comprising:
- a) 10 to 20% of a compound of formula
- 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) 20 to 50% of a non-ionic surfactant;
- c) 20 to 40% of a polyhydroxy compound;
- d) 0 to 20% of a glycol compound and
- e) 1 to 50% water.
3 more elements
Dependencies are inferred from the claim text.