GB2007091A — Ophthalmic composition
Assigned to Toko Yakuhin Kogyo KK · Expires 1979-05-16 · 47y expired
What this patent protects
An ophthalmic composition in the form of a gel comprises an aqueous solution of a carboxyvinyl polymer, a water-soluble basic substance and an ophthalmic drug admixed therewith, the gel having a pH of 5 to 8 and a viscosity of 1,000 centipoises to 100,000 centipoises at 20 DEG C.
USPTO Abstract
An ophthalmic composition in the form of a gel comprises an aqueous solution of a carboxyvinyl polymer, a water-soluble basic substance and an ophthalmic drug admixed therewith, the gel having a pH of 5 to 8 and a viscosity of 1,000 centipoises to 100,000 centipoises at 20 DEG C.
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.