EP1905453A1 — Preservative composition for ophthalmic use
Assigned to Santen Pharmaceutical Co Ltd · Expires 2008-04-02 · 18y expired
What this patent protects
An object of the present invention is to prevent the generation of chlorine dioxide in a liquid preparation for ophthalmic use containing a chlorite. A liquid preparation for ophthalmic use containing a preservative composition for ophthalmic use comprising a chlorite and at leas…
USPTO Abstract
An object of the present invention is to prevent the generation of chlorine dioxide in a liquid preparation for ophthalmic use containing a chlorite. A liquid preparation for ophthalmic use containing a preservative composition for ophthalmic use comprising a chlorite and at least one stabilizer selected from the following 1) to 7) : 1) creatinine; 2) geraniol; 3) glucose; 4) tocopherol acetate; 5) oxyquinoline sulfate; 6) a sugar alcohol; and 7) a polyoxyethylene sorbitan fatty acid ester can prevent the generation of chlorine dioxide, and is therefore excellent in safety and exhibits a sustained preservative effect for a prolonged period of time.
Drugs covered by this patent
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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