Lever Brothers Company, Division of Conopco, Inc.

Alastair Richard Sanderson

Robert John Crawford

A built particulate detergent composition for fabric washing, containing not more than 10 wt. % of water-insoluble builder and not more than 10 wt. % of water, contains a high level (40-90 wt. %) of a nonionic surfactant component consisting wholly or predominantly of a nonionic surfactant solid at ambient temperature, for example, alkylpolyglycoside or lactobionamide. Liquid nonionic surfactant and other cosurfactants may be present in limited amounts. A detergency builder is also present, the ratio of builder to nonionic surfactant not exceeding 1:1.

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South Wirral, United Kingdom

Alastair Richard Sanderson