What are claimed are synergistically active bleach activator mixtures
consisting of
a) a hydroxybenzoic acid derivative of the formula 1
in which R is C.sub.8-C.sub.11-alkyl, and
b) tetraacetylethylenediamine and/or
1,5-diacetyl-2,4-dioxo-1,3,5-hexahydrotriazine.