Disintegrating loadable tablets

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/20 (2006.01)

Patent

CA 2634160

A disintegrating loadable tablet product in compressed form comprising i) at least 60% w/w of a sorbent material having a specific surface area (BET surface area) of at least 50 m2/g as measured by gas adsorption or mixtures of such sorbent materials, and ii) a disintegrant or a mixture of disintegrants wherein the tablet in compressed form has a) a porosity of 45% v/v or more, b) a hardness of at least 20 Newton, and c) a loading capacity of at least 30% of a liquid. The tablet is suitable for the preparation of a tablet containing an active substance by e.g. immersing the tablet in a liquid containing the active substance. The invention thus provides a safe and reproducible new method of preparing pharmaceutical tablets.

La présente invention a pour objet un produit de type comprimé désintégrable pouvant être chargé sous forme compressée et comprenant i) au moins 60 % en poids d'un matériau sorbant de surface spécifique (surface BET) d'au moins 50 m<SUP>2</SUP>/g comme mesuré par adsorption de gaz, ou de mélanges de tels matériaux sorbants, et ii) un agent désintégrant ou un mélange d'agents désintégrants, le comprimé sous forme compressée ayant a) une porosité de 45 % en volume ou plus, b) une dureté d'au moins 20 newtons, et c) une capacité de charge d'au moins 30 % d'un liquide. Le comprimé est adapté à l'élaboration d'un comprimé contenant une substance active, par exemple par immersion du comprimé dans un liquide contenant la substance active. L'invention concerne ainsi une nouvelle méthode sûre et reproductible d'élaboration de comprimés pharmaceutiques.

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