Unilever Home and Personal Care Usa, Division of Conopco, Inc.

Vera Johanna Bakker

Edwin Leo Lempers

Christophe Michel Joyeux

Arie Krijgsman

Daniel Pierre Berthod

Duncan Howard Wright

Jasper Mol

A particulate zeolite-built laundry detergent composition having a bulk density of at least 550 g/l comprising at least two different granular components containing both surfactant and builder, preferably one prepared by non-tower granulation and another spray-dried, also contains from 1 to 10 wt % citric acid admixed as a separate particulate component. The admixed citric acid improves dispensing and dissolution properties, whether or not separately admixed sodium carbonate is present.

Particulate laundry detergent composition containing zeolite

A particulate laundry detergent composition having a bulk density of 550 to 900 g/l comprises at least two different granular multiingredient components. A first granular component (preferably non-spray-dried) has a bulk density of 550 to 1000 g/l and has a weight ratio of a first ingredient type to a second ingredient type of r; a second granular component (preferably spray-dried) has a bulk density of from 300 to 550 g/l and has a weight ratio of the first ingredient type to the second ingredient type of r&prime;, wherein the ratio of r to r&prime; is within the range of from 1.25:1 to 1:1.25.

Detergent compositions

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Warrington, United Kingdom

Vera Johanna Bakker