EP1532985A1 — Process for producing sustained-release composition
Assigned to Takeda Pharmaceutical Co Ltd · Expires 2005-05-25 · 21y expired
What this patent protects
A process for producing a sustained-release composition which comprises mixing an aqueous solution containing a physiologically active substance and an acid or base in a molar amount of 1.5 or more times that of the physiologically active substance with a solution of a biodegrada…
USPTO Abstract
A process for producing a sustained-release composition which comprises mixing an aqueous solution containing a physiologically active substance and an acid or base in a molar amount of 1.5 or more times that of the physiologically active substance with a solution of a biodegradable polymer and then drying the mixture is provided.
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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