US Patent

US9561251 — Pharmaceutical compositions

Method of Use · Assigned to Vifor Fresenius Medical Care Renal Pharma Ltd · Expires 2030-01-23 · 4y remaining

Vulnerability score 68/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects pharmaceutical compositions for oral administration that contain iron oxy-hydroxide in high loading.

USPTO Abstract

Pharmaceutical compositions for oral administration, in particular administration as an oral delivery system to be swallowed directly or capable of disintegration in the oral cavity, comprising iron oxy-hydroxide in high loading.

Drugs covered by this patent

ferric-oxyhydroxide (FERRIC OXYHYDROXIDE)

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-1468`	—	ferric-oxyhydroxide

Patent Metadata

Patent number: US9561251
Jurisdiction: US
Classification: Method of Use
Expires: 2030-01-23
Drug substance claim: No
Drug product claim: Yes
Assignee: Vifor Fresenius Medical Care Renal Pharma Ltd
Source: FDA Orange Book + USPTO grounding via Google Patents

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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