CA Patent

CA2663817A1 — Self-preserved aqueous pharmaceutical compositions

Assigned to Alcon Research LLC · Expires 2008-04-10 · 18y expired

What this patent protects

The use of a borate/polyol and zinc system to enhance the antimicrobial activity of multi-dose pharmaceutical compositions is described. The compositions do not require a conventional anti-microbial preservative and therefore are referred to as being 'self-preserved'. The composi…

USPTO Abstract

The use of a borate/polyol and zinc system to enhance the antimicrobial activity of multi-dose pharmaceutical compositions is described. The compositions do not require a conventional anti-microbial preservative and therefore are referred to as being 'self-preserved'. The compositions possess sufficient antimicrobial activity to satisfy the preservative efficacy requirements of the USP for aqueous ophthalmic compositions.

Drugs covered by this patent

Patent Metadata

Patent number
CA2663817A1
Jurisdiction
CA
Classification
—
Expires
2008-04-10
Drug substance claim
No
Drug product claim
No
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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