| abstract |
An anhydrous laundry detergent concentrate formulation in a solid form e.g. a tablet, comprising (i) an acidic cleaner (which may be citric acid or malic acid); ii) a basic cleaner (which may be sodium carbonate or bicarbonate), and, iii) a surfactant (which may be an anionic surfactant such as sodium lauryl sulfate or sodium coco sulfate, or, a non-ionic surfactant based on ethoxylated alcohols or alkyl polyglucosides) and (iv) an enzyme e.g.protease. The formulation may additionally comprise a disintegrant e.g. sodium starch glycolate, a flow aid e.g. hydrated silica, and a filler e.g. sodium silicate. A second aspect is directed towards a method of preparing a tablet of a formulation according to the first aspect. |