EP0246653A2 — Delayed/sustained release of macromolecules
Assigned to Syntex USA LLC · Expires 1987-11-25 · 38y expired
What this patent protects
This invention concerns novel, delayed/sustained release devices including methods of their manufacture and use. The devices comprise macromolecules, particularly polypeptide pharmaceuticals, and an initially partially-hydrated, non-biodegradable, hydrogel rate-limiting membrane.
USPTO Abstract
This invention concerns novel, delayed/sustained release devices including methods of their manufacture and use. The devices comprise macromolecules, particularly polypeptide pharmaceuticals, and an initially partially-hydrated, non-biodegradable, hydrogel rate-limiting membrane.
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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