Ciba Specialty Chemicals Corporation

Sandra Galle

Ted Deisenroth

Rainer Hans Traber

Helena Dbaly

Compositions comprising (A) a total of from 2 to 30% by weight, based on the total composition (A)+(B), of one or more amino alcohols of formula (1) herein R, R, Rand Rare each independently of the others hydrogen,-Calkyl,C-Caryl or C-Caralkyl, and Rand Rare each independently of the other hydrogen or C-Calkyl; and (B) from 70 to 98% by weight, based on the total composition (A)+(B), of a fluorescent whitening agent of formula (2) herein X is hydrogen, an alkali metal ion, an ammonium ion or a hydroxyalkylammonium radical derived from the amino alcohol of formula (1), and R, R, Rand Rare each independently of the others &#x2014;OR, &#x2014;NRRor a group of formula (3) wherein R, and Rare each independently of the other hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, carboxyalkyl, HN&#x2014;CO-alkyl or alkylthio, are distinguished by high solubility in water and by high storage stability of the aqueous solutions. 

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Weil am Rhein, Germany

Sandra Galle