EP1258254A1 — Sustained release preparations of physiologically active compound hardly soluble in water and production process and use of the same
Assigned to Takeda Pharmaceutical Co Ltd · Expires 2002-11-20 · 23y expired
What this patent protects
A sustained-release preparation containing a physiologically active compound slightly soluble in water, a component obtained by treating with water a polyvalent metal compound slightly soluble in water, and a biodegradable polymer which are improved in the release-control and sta…
USPTO Abstract
A sustained-release preparation containing a physiologically active compound slightly soluble in water, a component obtained by treating with water a polyvalent metal compound slightly soluble in water, and a biodegradable polymer which are improved in the release-control and stabilization of the physiologically active compound slightly soluble in water and can be produced by a process suitable for mass production.
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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