US Patent 7691410 Use of dicalcium phosphate anhydride powder

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.