US Patent

US9808530 — Composition of tiacumicin compounds

Formulation · Assigned to Astellas Pharma Europe BV · Expires 2034-05-28 · 8y remaining

Vulnerability score 42/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a composition of tiacumicin compounds combined with specific excipients, such as xanthan gum or carrageenan, for use in a formulation.

USPTO Abstract

A composition comprising as the active ingredient one or more of a tiacumicin compound, a stereo-isomer thereof, a polymorph thereof or a solvate thereof, in combination with an excipient, selected from the group consisting of a xanthan gum, carrageenan, sodium alginate, guar gum, water dispersible cellulose (microcrystalline cellulose and sodium carboxymethylcellulose) and mixtures thereof is provided. Further, use of an excipient, selected from the group consisting of a xanthan gum, carrageenan, sodium alginate, guar gum, water dispersible cellulose (microcrystalline cellulose and sodium carboxymethylcellulose) and mixtures thereof as an anti-foaming agent in a composition comprising as the active ingredient one or more of a tiacumicin compound, a stereo-isomer thereof, a polymorph thereof or a solvate thereof is provided.

Drugs covered by this patent

Patent Metadata

Patent number
US9808530
Jurisdiction
US
Classification
Formulation
Expires
2034-05-28
Drug substance claim
No
Drug product claim
Yes
Assignee
Astellas Pharma Europe BV
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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