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US Patent 9861658 Microporous zirconium silicate for the treatment of hyperkalemia

Patent 9861658 was granted and assigned to zs pharma on January, 2018 by the United States Patent and Trademark Office.

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Is a
Patent
Patent

Patent attributes

Patent Applicant
zs pharma
zs pharma
Current Assignee
zs pharma
zs pharma
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9861658
Date of Patent
January 9, 2018
Patent Application Number
14826038
Date Filed
August 13, 2015
Patent Citations Received
‌
US Patent 11964266 Process for removing cobalt, lead, cadmium and chromium ions from bodily fluids using metallate ion exchange compositions
0
‌
US Patent 11839709 System for tailoring dialysis treatment based on sensed potassium concentration, patient data, and population data
0
Patent Primary Examiner
‌
Kortney L. Klinkel
Patent abstract

The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.

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