A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/00 (2006.01) A61K 9/70 (2006.01) A61K 31/465 (2006.01) A61P 25/34 (2006.01)
Patent
CA 2630595
The invention relates to a flat administration form, which is soluble or disintegrates in an aqueous medium, for releasing at least one active substance into a body opening or body cavity, comprising a polymer-matrix which is in the form of a solid foam comprising a chamber or cavities, in addition to at least one pharmaceutical or cosmetic active substance. Said administration form is characterised in that the polymer of the matrix is a polyvinyl alcohol-polyethyleneglycol-graft polymer. The invention also relates to a method for producing said type of administration forms.
L'invention concerne une forme galénique de forme plane, se dissolvant ou se désintégrant en milieu aqueux, destinée à libérer au moins un principe actif dans un orifice ou une cavité du corps et présentant une matrice polymère sous la forme d'une mousse solidifée pourvue de cavités ainsi qu'au moins un principe actif pharmaceutique ou cosmétique. Cette forme galénique se caractérise en ce que le polymère de la matrice est un copolymère greffé d'alcool polyvinylique et de polyéthylèneglycol. L'invention concerne également un procédé de production de formes galéniques de ce type.
Blake Cassels & Graydon Llp
Lts Lohmann Therapie-Systeme Ag
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