EP0462460A2 — Liquid composition for contact lenses method for cleaning or preserving a contact lens by means of such liquid composition
Assigned to Tomei Sangyo KK · Expires 1991-12-27 · 34y expired
What this patent protects
A liquid composition for contact lenses, which comprises from 0.01 to 5% (W/V) of a protease, from 5 to 30% (W/V) of a polyhydric alcohol, from 1 to 5% (W/V) of an alkali metal salt and from 0.5 to 20% (W/V) of a surfactant.
USPTO Abstract
A liquid composition for contact lenses, which comprises from 0.01 to 5% (W/V) of a protease, from 5 to 30% (W/V) of a polyhydric alcohol, from 1 to 5% (W/V) of an alkali metal salt and from 0.5 to 20% (W/V) of a surfactant.
Drugs covered by this patent
- Alphagan (BRIMONIDINE TARTRATE) · Senju Pharmaceutical Co., Ltd
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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