EP1398040A1 — Medicinal composition
Assigned to Otsuka Pharmaceutical Co Ltd · Expires 2004-03-17 · 22y expired
What this patent protects
The present invention provides a medicinal composition that exhibits excellent storage stability and, even over long-term storage, little change in the release rate of the pharmacologically active substance contained therein. The medicinal composition of the invention prepared by…
USPTO Abstract
The present invention provides a medicinal composition that exhibits excellent storage stability and, even over long-term storage, little change in the release rate of the pharmacologically active substance contained therein. The medicinal composition of the invention prepared by dissolving or dispersing a pharmacologically active substance and a pH-independent water-insoluble polymer in a molten low-melting substance, and which can be prepared by spraying a liquid substance, obtained by dissolving or dispersing the pharmacologically active substance in a molten mixture comprising the low-melting substance and the pH-independent water-insoluble polymer, and then cooling the liquid substance.
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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