Wipes: Recently Disclosed Intellectual Property

August 1, 2007 | Contact Author | By: Robert Y. Lochhead, PhD, University of Southern Mississippi
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Keywords: cleansing wipes | lather volume test | flushable wipes | reservoirs and pillows | hydrophobic and hydrophilic soils | antiviral and antibacterial wipes | antimicrobial peptides

Abstract: Traditionally, soaps and personal cleansers are deposited on washcloths or sponges before being applied to the body. More than a decade ago, convenience products were introduced in the form of surfactant-impregnated dry woven or nonwoven cloths. Several new patents have recently been issued in the area of wipes, which are described here.

Cleansing Wipes Traditionally, soaps and personal cleansers are deposited on washcloths or sponges before being applied to the body. More than a decade ago, convenience products were introduced in the form of surfactant-impregnated dry woven or nonwoven cloths. These were designed to be wetted with water before use. In this context, Fowler et al.1 gained an advantage over conventional products such as bar soaps, creams, lotions and gels by incorporating a lathering surfactant into a water-insoluble substrate, such as a sponge or polymeric mesh, reducing the level of required surfactant while still providing effective cleansing of skin or hair with adequate lathering.

The inventors suggested that the increased lathering resulted from the surface action of the substrate. Additionally, the decreased amount of required surfactant led to skin benefits, including less drying. Moreover, desirable products containing both cleansing surfactants and conditioners were disclosed as an added benefit of the reduction in the level of cleansing surfactant.