EP1911444A1 — Drug-containing coated fine particle for intrabuccally disintegrating preparation and method of producing the same
Assigned to Astellas Pharma Inc · Expires 2008-04-16 · 18y expired
What this patent protects
Regarding an object of sufficient suppression of unpleasant taste in the oral cavity and quick dissolution in the gastrointestinal tract, which is generated when a drug having a strong unpleasant taste such as bitterness, astringency and the like is applied to a quickly disintegr…
USPTO Abstract
Regarding an object of sufficient suppression of unpleasant taste in the oral cavity and quick dissolution in the gastrointestinal tract, which is generated when a drug having a strong unpleasant taste such as bitterness, astringency and the like is applied to a quickly disintegrating preparations in the oral cavity, this invention has achieved the aforementioned object for the first time by employing a constitution of coating a coat of a water-soluble polymer and a specified ratio of a pH-independent water-insoluble polymer and hydroxypropylcellulose.
Drugs covered by this patent
- Ritalin (methylphenidate) · Novartis
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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