US Patent

US9421265 — Aqueous pharmaceutical compositions containing borate-polyol complexes

Formulation · Assigned to Alcon Research LLC · Expires 2030-06-17 · 4y remaining

Vulnerability score 48/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects multi-dose ophthalmic compositions containing borate-polyol complexes with antimicrobial activity.

USPTO Abstract

The present invention is directed to the provision of multi-dose, ophthalmic compositions. The compositions possess sufficient antimicrobial activity to satisfy USP preservative efficacy requirements, as well as similar preservative standards (e.g., EP and JP). The compositions include at two different polyols in conjunction with borate and a low concentration of benzalkonium chloride.

Drugs covered by this patent

Patent Metadata

Patent number
US9421265
Jurisdiction
US
Classification
Formulation
Expires
2030-06-17
Drug substance claim
No
Drug product claim
Yes
Assignee
Alcon Research LLC
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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