USE OF 4 H-3, 1-BENZOXAZIN-4-ONE COMPOUNDS TO IMPROVE THE LIGHT FASTNESS OF TEXTILE MATERIALS

摘要

4H-3,1-benzoxazin-4-one compounds of formula I in form of an aqueous dispersion,according to claim 1, are eminently suitable for improving the light fastness of textile materials. Mixtures of compounds of formula I together with other UV-absorbers can also be used.