Starch acetate composition with modifiable properties,...

A - Human Necessities – 61 – K

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Details

A61K 47/36 (2006.01) A01N 25/00 (2006.01) A23L 1/0522 (2006.01) A61K 9/20 (2006.01) A61K 9/22 (2006.01) C05G 3/00 (2006.01) C05G 5/00 (2006.01) C08B 31/04 (2006.01) C08L 3/06 (2006.01)

Patent

CA 2190181

The present invention is related to a novel type of composition with modifiable properties and suitable for controlled release of active ingredients in industrial use. The composition contains an active ingredient and starch acetate in the form of a compact. More specifically the invention relates to active ingredients such as solid dosage forms of drugs, especially compacts and tablets. In these compacts starch acetate with distinct substitution degrees are used. The starch acetate makes the process industrially feasible with good flowability and facilitates the formation of firm tablets. Starch acetate enables the controlled release of the active ingredient. The invention also discloses method for the preparation of the composition as well as its use.

La présente invention concerne un nouveau type de composition avec des propriétés modulables et permettant une libération contrôlée d'ingrédients actifs dans des applications commerciales. La composition contient un ingrédient actif et de l'acétate d'amidon et cette composition est compactée. Plus particulièrement, l'invention est utile pour préparer des formes galéniques compactées du type comprimés contenant différents médicaments et substances actives. Dans ces éléments compactés, on utilise de l'acétate d'amidon avec différents degrés de substitution. L'acétate d'amidon est d'un emploi aisé en fabrication, car il a une bonne aptitude à l'écoulement et il facilite la formation de comprimés résistants. L'acétate d'amidon permet une libération contrôlée de l'ingrédient actif. L'invention concerne également une méthode de préparation de la composition, ainsi que son utilisation.

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