A laundry treatment product, in the form of a single-compartment of multicompartment sachet capable of releasing its contents into the wash liquor during the laundry process, contains a particulate laundry treatment composition including a quaternary ammonium- or phosphonium-substituted bleach precursor,...http://www.google.com/patents/US5132036?utm_source=gb-gplus-sharePatent US5132036 - Laundry treatment product
