Substrates utilizing shear responsive micropockets for...

A - Human Necessities – 45 – D

Patent

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Details

A45D 37/00 (2006.01) A61K 8/02 (2006.01) A61Q 15/00 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01) A61Q 19/10 (2006.01) B32B 27/12 (2006.01) A61K 9/70 (2006.01)

Patent

CA 2448333

The present invention relates to substrates such as wipe articles for use in combination with substances, such as ingredients and formulations, for delivery to the human body or for use on inanimate surfaces such as those found in households and/or workplace. The substrate (11) utilizes shear responsive micropockets (15) that store substances, and controllably release said substances when shear forces are applied thereto, while in contact with the target surface. Shear responsive micropockets (15) are fine scale three- dimensional compartments in the surface of the substrate (11) such that applying shear forces along the surface of said substrate (11) while said substrate (11) is in contact with said target surface, said shear forces cause walls of said micropockets (15) to substantially deform, and release said substance, to said target surface.

La présente invention concerne de substrats tels que des lingettes de nettoyage qui s'utilisent conjointement avec des substances (ingrédients ou préparations) pour administration sur le corps ou pour utilisation sur des surfaces inanimées, dans des logements ou sur les lieux de travail par exemple. Le substrat fait intervenir des micro-poches sensibles au cisaillement qui renferment des substances et les libèrent progressivement lorsque des forces de cisaillement leur sont appliquées alors qu'elles sont en contact avec la surface cible. Ces micro-poches sensibles au cisaillement sont constituées par des logements tridimensionnels sous leur surface tels que des forces de cisaillement appliquées sur la surface dudit substrat alors qu'il est en contact avec ladite surface cible provoquent une déformation substantielle des parois de ces micro-poches, avec libération de ladite substance sur la surface cible..

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