A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 33/42 (2006.01)
Patent
CA 2572910
The objective of the present innovation is a new process for the preparation of calcium phosphate granules of the hydroxyapatite type. The preparation process of a business for the said granules based on the invention is a hydrolysis process of a brushite dicalcium phosphate, in a basic milieu which is characterised by the fact that an aqueous suspention of brushite dicalcium phosphate is treated with lime, in the presence of an effective quantity of a carboxylic acid.
La présente invention concerne un nouveau procédé pour la préparation de granulés de phosphate de calcium du type hydroxyapatite. Le procédé de préparation desdits granulés selon l'invention est un procédé d'hydrolyse d'un phosphate dicalcique ou brushite, dans un milieu basique qui est caractérisé par le fait qu'une suspension aqueuse de phosphate dicalcique ou brushite est traitée avec de la chaux, en présence d'une quantité efficace d'acide carboxylique.
Cobo Frederic
Leite Lorraine
Innophos Inc.
Ridout & Maybee Llp
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