Use of dicalcium phosphate anhydride powder

Details Use of dicalcium phosphate anhydride powder Use of dicalcium phosphate anhydride powder

A - Human Necessities

61

K

A61K 47/02 (2006.01) A61K 9/20 (2006.01) A61K 9/48 (2006.01)

Patent

CA 2413578

The invention relates to dicalcium phosphate anhydride powder, at least 50 wt. % thereof having a particle size of between 45 and 150 µm, a maximum of 50 wt. % having a particle size of <45 µm, and a maximum of 5 wt. % having a particle size of >150 µm. Said powder also exhibits a bulk density of 1000 to 5000 g/l and a specific surface area of <5 m2~/g, and is used to directly tablet or encapsulate pharmaceutical preparations.

L'invention concerne du dicalcium phosphate anhydride en poudre dont au moins 50 % en poids comportent des particules d'une taille comprise entre 45 et 150 µm, au maximum 50 % en poids contiennent des particules d'une taille < 45 µm, et au maximum 5 % en poids contiennent des particules d'une taille > 150 µm, et qui pr~sente un poids volumique apparent de 1000 ~ 1500 g/l et une surface sp~cifique < 5 m?2´/g. Ce dicalcium phosphate anhydride en poudre est utilis~ pour la production directe de comprim~s ou la mise en capsules de pr~parations pharmaceutiques.

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