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Fish and Richardson
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Generated: July 20, 2019

DrugPatentWatch Database Preview

Details for Patent: 9,861,658

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Which drugs does patent 9,861,658 protect, and when does it expire?

Patent 9,861,658 protects LOKELMA and is included in one NDA.

This patent has thirty-two patent family members in sixteen countries.

Summary for Patent: 9,861,658
Title:Microporous zirconium silicate for the treatment of hyperkalemia
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.
Inventor(s): Keyser; Donald Jeffrey (Southlake, TX), Guillem; Alvaro F. (Lantana, TX)
Assignee: ZS PHARMA, INC. (Coppell, TX)
Application Number:14/826,038
Prior Art and Litigation SupportOrder Prior Art and Litigation support for Patent 9,861,658
Patent Claim Types:
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Use; Composition;

Drugs Protected by US Patent 9,861,658

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Astrazeneca Pharms LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-001 May 18, 2018 RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial TREATMENT OF HYPERKALEMIA IN ADULTS ➤ Try a Free Trial
Astrazeneca Pharms LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-002 May 18, 2018 RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial TREATMENT OF HYPERKALEMIA IN ADULTS ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate

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International Family Members for US Patent 9,861,658

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2012214224 ➤ Try a Free Trial
Australia 2016204124 ➤ Try a Free Trial
Australia 2017251826 ➤ Try a Free Trial
Brazil 112013020533 ➤ Try a Free Trial
Canada 2827056 ➤ Try a Free Trial
Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Colorcon
Julphar
Mallinckrodt
Express Scripts
Medtronic
Covington

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