Lever Brothers Company, Division of Conopco, Inc.

Frederik J Schepers

David Machin

Leslie Jo Morgan

Charles C Verburg

Daniel J Kuzmenka

Jonathan Frank Warr

Cornelis Bernard Donker

An aqueous liquid detergent composition comprising a primary alkyl sulphate material, which is present in a non-solid dispersed phase.

Liquid detergent compositions

Non-aqueous liquids into which peracids may be stably incorporated for five days or greater when measured at 37.degree. C. are formulated by proper selection of substantially insoluble peracid, builder and buffer salts.

Stable non-aqueous compositions containing peracids which are

The present invention relates to a composition in which the pH is raised when diluted in the wash and which composition comprises (1) a surfactant system; (2) an N-containing compound and (3) metal salt from group 1B to 8B of the periodic table and/or a metal salt from group 3A or 4A of the periodic table. The N-compound and metal are believed to form a complex which reduces pH in product, but which raises pH when the complex dissociates in the wash. The invention further relates to a process of creating a pH jump system while laundering or cleaning hard surfaces using such a composition.

Method for creating a pH jump system

In non-aqueous liquid cleaning products compositions comprising dispersed particles of aluminosilicate builder, components sensitive to decomposition catalyzed by aluminosilicate, such as bleach precursors, can be protected if the aluminosilicate particles are deactivated by pre-treatment with an ammonium or substituted ammonium compound, followed by a heating step to reduce the water level of the aluminosilicate.

Liquid cleaning compositions and process for their preparation

A substantially non-aqueous liquid cleaning product composition comprising solid particles dispersed in a liquid solvent phase, said composition comprising a bleach system which comprises a persalt bleach and a precursor therefor, said liquid solvent phase comprising a capped alkoxylated nonionic surfactant. When the capped nonionic is ester-capped, the presence of a further precursor is not essential.

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Vlaardingen, Netherlands

Frederik J Schepers