EP0507224B1 — Use of combinations of gelling polysaccharides and finely divided drug carrier substrates in topical ophthalmic compositions
Assigned to Alcon Vision LLC · Expires 1996-10-30 · 30y expired
What this patent protects
Ophthalmic compositions comprising combinations of gelling polysaccharides and finely-divided drug carrier substrates which become relatively more viscous on contact with the eye are disclosed. Ophthalmic compositions further comprising a pharmaceutically active drug are also dis…
USPTO Abstract
Ophthalmic compositions comprising combinations of gelling polysaccharides and finely-divided drug carrier substrates which become relatively more viscous on contact with the eye are disclosed. Ophthalmic compositions further comprising a pharmaceutically active drug are also disclosed, as are methods of use. <IMAGE>
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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