C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 25/37 (2006.01) A61M 1/14 (2006.01)
Patent
CA 2737071
Zirconium phosphate particles are synthesized by providing a solution of zirconium oxychloride in an aqueous solvent, adding at least one low molecular weight, oxygen containing, monofunctional, organic additive to the solution, and combining this solution with heated phosphoric acid or a phosphoric acid salt to obtain zirconium phosphate particles by sol gel precipitation.
La présente invention concerne un procédé de synthèse de particules de phosphate de zirconium (PZ) comprenant l'immersion d'une solution d'oxychlorure de zirconium dans un solvant aqueux, l'ajout, à la solution, d'au moins un additif organique monofonctionnel de faible poids moléculaire contenant de l'oxygène, et la combinaison de cette solution avec de l'acide phosphorique chauffé ou un sel d'acide phosphorique pour obtenir des particules de phosphate de zirconium par précipitation de type sol-gel.
Dimock Stratton Llp
Fresenius Medical Care Holdings Inc.
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