EP0227836A1 — Sustained releasing patch
Assigned to Teijin Ltd · Expires 1987-07-08 · 39y expired
What this patent protects
A sustained releasing patch consisting mainly of an adhesive layer and a carrier backing the adhesive layer, characterized in that hollow fibers having circumferentially extending through holes and containing a drug in the hollow portion thereof are provided within the adhesive l…
USPTO Abstract
A sustained releasing patch consisting mainly of an adhesive layer and a carrier backing the adhesive layer, characterized in that hollow fibers having circumferentially extending through holes and containing a drug in the hollow portion thereof are provided within the adhesive layer.
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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