US8093423 — Pharmaceutical-grade ferric organic compounds, uses thereof and method of making same
Method of Use · Assigned to GloboAsia LLC · Expires 2026-04-21 · 0y expired
What this patent protects
This patent protects a method of making and using pharmaceutical-grade ferric citrate for treating disorders with elevated serum phosphate levels.
USPTO Abstract
The present invention discloses a pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
Drugs covered by this patent
- Auryxia (FERRIC CITRATE) · Keryx Biopharms
FDA Patent Use Codes
When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.
| Code | Description | Drug |
|---|---|---|
U-1577 |
— | Auryxia |
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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