EP0958813A1 — Sustained-release preparation utilizing thermal change and process for the production thereof
Assigned to Shionogi and Co Ltd · Expires 1999-11-24 · 26y expired
What this patent protects
A sustained-release preparation which can release a highly water-soluble medicinally active ingredient over a long time and a process for the production thereof are provided. The preparation has a sustained-releasing layer formed by heating and melting a layer composed of b…
USPTO Abstract
A sustained-release preparation which can release a highly water-soluble medicinally active ingredient over a long time and a process for the production thereof are provided. The preparation has a sustained-releasing layer formed by heating and melting a layer composed of both an aqueous ethylcellulose latex containing a plasticizer and a wax to miscibilize them.
Drugs covered by this patent
- Dexilant (DEXLANSOPRAZOLE) · Takeda
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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