| abstract |
Granules coated with bleach activating agents of the ammonium-nitrile type, which are obtained by wrapping a base granulate of an ammonium-nitrile with a water-soluble coating substance, characterized in that the coating substances are fatty acids, fatty alcohols , poly (alkylene glycols), non-ionic surfactants, anionic surfactants, polymers, waxes and / or silicones, which soften or melt in the range of 30 to 100 ° C, and the granules are tempered during or after the coating step at temperatures located in the vicinity of the softening or melting point of the coating substance. |