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US 2011/0086097 A1Published application
Manufacture process for the preparation of an iron containing phosphate adsorbent
OwnerDaniel Kaufmann, Nicole Bieri +5inventors
InventorsDaniel Kaufmann, Nicole Bieri, Ulrich Meier, Ranjit Thakur, Zdenek Zencak, Christa Hartmann, Andreas Meyer
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Abstract
The present invention relates to a new manufacture process for producing an iron containing phosphate adsorbent, in particular to a process for manufacturing and isolating an iron(III)-based phosphate adsorbent which exhibits valuable pharmacological properties.
Claims26
A process for the preparation of composition which process comprises the steps of:
- (i) mixing an aqueous solution of iron(III) salt with at least one base to form a suspension with having a pH of between 3 and 10,
- (ii) isolating a precipitate formed,
- (iii) suspending the precipitate in an aqueous solution,
- (iv) adding one or more carbohydrates and/or humic acid, and
- (v) isolating the preparation of step (iv) by spray drying or fluidized bed spray drying.
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Dependencies are inferred from the claim text.