COMPOSITIONS IN THE FORM OF SOLID SOLUTIONS

摘要

Compositions in the form of solid solutions contain (a) 1 to 90 % by weight of a coumarin derivate A from the group of the heterocyclic substituted alkoxycoumarins or of the sulfonic acid-esterified hydroxycoumarins as active substance and (b) 10 to 99 % by weight of at least a water-soluble polymer B as excipient.