C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 17/00 (2006.01) A61K 33/24 (2006.01) C02F 1/28 (2006.01) C02F 1/52 (2006.01) C09C 1/36 (2006.01)
Patent
CA 2494992
Rare earth metal compounds, particularly lanthanum, cerium, and yttrium, are formed as porous particles and are effective in binding metals, metal ions, and phosphate. A method of making the particles and a method of using the particles is disclosed. The particles may be used in the gastrointestinal tract or the bloodstream to remove phosphate or to treat hyperphosphatemia in mammals. The particles may also be used to remove metals from fluids such as water.
La présente invention concerne des composés de métaux de terres rares, notamment de lanthane, de cérium et d'yttrium. Lesdits composés se présentent sous la forme de particules poreuses et sont efficaces pour lier des métaux, des ions métalliques et du phosphate. L'invention concerne également un procédé de production desdites particules et un procédé d'utilisation desdites particules. Lesdites particules peuvent être utilisées dans le tractus gastro-intestinal ou dans le courant sanguin pour éliminer le phosphate ou pour traiter l'hyperphosphatémie chez des mammifères. Lesdites particules peuvent également être utilisées pour éliminer des métaux de liquides tels que l'eau.
Moerck Rudi E.
Prochazka Jan
Schauer Edward
Spitler Timothy M.
Altair Nanomaterials Inc.
Smart & Biggar
Spectrum Pharmaceuticals Inc.
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