Patent ID: 7910534

Claim:
a solid laundry detergent composition in particulate form comprising a plurality of particulate components, the composition comprises: (i)alkyl benzene sulphonate; (ii) a hydratable material; (iii) free of zeolite and phosphate builder; and (iv) essentially free of silicate salt; wherein at least 30%, by weight of the composition, of the particulate components present in the composition comprise at least 15%, by weight of the particulate component, of a hydratable material, and wherein any particulate component comprising at least 5%, by weight of the particulate component, of alkyl benzene sulphonate also consists essentially of at least 15%, by weight of the particulate component, of the hydratable material, wherein in said composition said hydratable material is magnesium sulfate and is not sodium sulfate; and wherein said composition comprises a mixture of three of said particulate components: (a) a spray-dried component comprising said alkyl benzene sulphonate and said hydratable magnesium sulfate; (b) an agglomerate component comprising said alkyl benzene sulphonate and said hydratable magnesium sulfate; and (c) a dry-added component; said composition having a density in the range of 450-550 g/l.