CA2557791C — Controlled-release pharmaceutical composition and method for producing the same
Assigned to Eisai R&D Management Co Ltd · Expires 2011-03-08 · 15y expired
What this patent protects
It is an object of the present invention, in the case of a controlled-release pharmaceutical composition, particularly a pulsed-release pharmaceutical composition, containing an acid-unstable physiologically active substance, to provide a pharmaceutical composition having little …
USPTO Abstract
It is an object of the present invention, in the case of a controlled-release pharmaceutical composition, particularly a pulsed-release pharmaceutical composition, containing an acid-unstable physiologically active substance, to provide a pharmaceutical composition having little variation in dissolution lag time and high reliability of dissolution characteristics. The present invention discloses a controlled-release pharmaceutical composition comprising: 1) a core containing an acid-unstable physiologically active substance and a disintegrant; and 2) a release-controlling coating which covers the core, and which contains a water-insoluble polymer, an enteric polymer and a hydrophobic wax.
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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