Patent ID: 8486879

Claim:
A solid, one-layered composition comprising: i. a hypochlorite selected from the group consisting of calcium hypochlorite, magnesium hypochlorite and mixtures thereof; ii. a builder selected from the group consisting of carbonate, bicarbonate, sesquicarbonate and mixtures thereof; iii. at least 30% by weight of an acid selected from the group consisting of a carboxylic acid, a dicarboxylic acid, a sulfonic acid, an acid sulfate, an acid phosphate, and mixtures thereof; iv. a water-soluble polymer selected from the group consisting of a polycarboxylate, a sulfonated carboxylate, a polysulfonate, a polyvinylpyrrolidone, a polypyridinium salt, a polyquaternary ammonium salt, and mixtures thereof; and wherein the composition does not contain potassium hypochlorite, sodium hypochlorite, lithium hypochlorite, N-halogenated compounds, peroxides, persulfates, hydantoins, isocyanurates, carboxylic acids that also have hydroxyl, amino, amido, imino, or imido groups; wherein the composition contains only one layer.