Hydrophilic pressure sensitive hot-melt adhesives

Details Hydrophilic pressure sensitive hot-melt adhesives Hydrophilic pressure sensitive hot-melt adhesives

A - Human Necessities

61

K

A61K 9/70 (2006.01) A01N 25/24 (2006.01) A61L 15/22 (2006.01) A61L 15/44 (2006.01) A61L 15/58 (2006.01) C09J 11/00 (2006.01) A61K 7/00 (2000.01)

Patent

CA 2189996

A device for delivering substances contained in hot-melt-type pressure-sensitive adhesives with a uniform or irregular distribution of the substances is characterised in that the hot-melt-type pressure-sensitive adhesive is hydrophilic and contains at least one water-soluble or at least water-swellable polymer, at least one water-soluble, hot-melt-type adhesive resin and the substance to be delivered.

Un dispositif d'administration uniforme ou non de substance contenues dans des colles à fusion sensibles à la pression se caractérise en ce que la colle à fusion sensible à la pression est hydrophile et contient au moins un polymère soluble ou au moins gonflant dans l'eau, au moins une résine adhésive à fusion soluble dans l'eau et la substance à administrer.

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