The present invention relates to a solid free flowing particulate laundry detergent composition comprising: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid; and (g) hueing agent selected from Acid Violet 50, Direct Violet 9, 66 and 99, Solvent Violet 13 and any combination thereof, wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0, wherein the composition comprises from about 30 wt % to about 90 wt % base detergent particle, wherein the base detergent particle comprising (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % anionic detersive surfactant; (b) from about 1 wt % to about 8 wt % zeolite builder; (c) wherein the particle is essentially free of phosphate builder; (d) wherein the particle is essentially free of sodium carbonate; (e) wherein the particle is essentially free of sodium silicate; (f) from about 1 wt % to about 10 wt % organic acid.

The present invention relates to a solid free flowing particulate laundry detergent composition comprising: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid; and (g) hueing agent selected from Acid Violet 50, Direct Violet 9, 66 and 99, Solvent Violet 13 and any combination thereof, wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0, wherein the composition comprises from about 30 wt % to about 90 wt % base detergent particle, wherein the base detergent particle comprising (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % anionic detersive surfactant; (b) from about 1 wt % to about 8 wt % zeolite builder; (c) wherein the particle is essentially free of phosphate builder; (d) wherein the particle is essentially free of sodium carbonate; (e) wherein the particle is essentially free of sodium silicate; (f) from about 1 wt % to about 10 wt % organic acid.

The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process includes the step of contacting zeolite to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture includes detersive surfactant, wherein the aqueous mixture is substantially free of silicate salt, and wherein the aqueous mixture is substantially free of carbonate salt, wherein the zeolite reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle includes: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of silicate salt, and wherein the particle is substantially free of carbonate salt.

The present invention also relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; and (f) from about 4 wt % to about 20 wt % organic acid,

wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0,

wherein the composition includes from about 30 wt % to about 100 wt % base detergent particle, wherein the base detergent particle including (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % alkyl benzene sulphonate; (b) wherein the particle is essentially free of zeolite builder; (c) wherein the particle is essentially free of phosphate builder; (d) wherein the particle is essentially free of sodium carbonate; (e) wherein the particle is essentially free of sodium silicate; (f) from about 1 wt % to about 10 wt % organic acid; and (g) from about 1 wt % to about 10 wt % magnesium sulphate.

The present invention relates to a spray-dried base detergent particle, wherein the base detergent particle includes (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % alkyl benzene sulphonate; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 1 wt % to about 10 wt % organic acid; and (g) from about 1 wt % to about 10 wt % magnesium sulphate,

wherein the base detergent particle is a spray-dried particle,

wherein the base detergent particle at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH of about 8.5 or less.

The present invention relates to a method of laundering fabric, wherein a detergent composition is contacted with fabric in a main wash, and wherein a fabric softener composition is subsequenty contacted to the fabric in one or more subsequent rinsing steps, wherein the detergent composition is a solid free flowing particulate laundry detergent composition, wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0.

The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid, (g) from about 1 wt % to about 20 wt % sodium percarbonate; (h) from about 0.5 wt % to about 5 wt % bleach activator; and (i) from about 0.5 wt % to about 5 wt % sodium salt of methylglycine diacetic acid (MGDA) chelant, wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0, wherein the composition includes from about 30 wt % to about 90 wt % base detergent particle, wherein the base detergent particle including (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % anionic detersive surfactant; (b) from about 1 wt % to about 8 wt % zeolite builder; (c) wherein the particle is essentially free of phosphate builder; (d) wherein the particle is essentially free of sodium carbonate; (e) wherein the particle is essentially free of sodium silicate; (f) from about 1 wt % to about 16 wt % organic acid; and (g) from about 1 wt % to about 10 wt % magnesium sulphate.

The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid, (g) from about 1 wt % to about 20 wt % sodium percarbonate; (h) from about 0.5 wt % to about 5 wt % bleach activator; and (i) from about 0.5 wt % to about 5 wt % sodium salt of methylglycine diacetic acid (MGDA) chelant, wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0, wherein the composition includes from about 30 wt % to about 90 wt % base detergent particle, wherein the base detergent particle including (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % anionic detersive surfactant; (b) from about 1 wt % to about 8 wt % zeolite builder; (c) wherein the particle is essentially free of phosphate builder; (d) wherein the particle is essentially free of sodium carbonate; (e) wherein the particle is essentially free of sodium silicate; (f) from about 1 wt % to about 16 wt % organic acid; and (g) from about 1 wt % to about 10 wt % magnesium sulphate.

The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; and (f) from about 4 wt % to about 20 wt % organic acid, wherein the composition at 1 wt % dilution in deionized water at 20 C., has an equilibrium pH in the range of from about 6.5 to about 9.0, wherein the composition comprises from about 30 wt % to about 90 wt % base detergent particle, wherein the base detergent particle comprising (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % alkyl benzene sulphonate, wherein the alkyl benzene sulphonate comprises at least about 25 wt % of the 2-phenyl isomer; (b) from about 1 wt % to about 8 wt % zeolite builder; (c) wherein the particle is essentially free of phosphate builder; (d) wherein the particle is essentially free of sodium carbonate; (e) wherein the particle is essentially free of sodium silicate; (f) from about 1 wt % to about 10 wt % organic acid.

The aim of the invention is to improve the cleaning performance of washing or cleaning agents with respect to soiling. This is achieved essentially by incorporating sulfobetaine-morpholine derivatives.