EP2167046A2 — Pharmaceutical solid preparation comprising benzazepines and production method thereof
Assigned to Otsuka Pharmaceutical Co Ltd · Expires 2010-03-31 · 16y expired
What this patent protects
The subject invention provides a novel pharmaceutical solid preparation that has superior disintegration properties and excellent solubility, leading to sufficient absorbability of active ingredients through the gastrointestinal tract. The pharmaceutical solid preparation of the …
USPTO Abstract
The subject invention provides a novel pharmaceutical solid preparation that has superior disintegration properties and excellent solubility, leading to sufficient absorbability of active ingredients through the gastrointestinal tract. The pharmaceutical solid preparation of the present invention comprises: (a) 7-chloro-5-hydroxy-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzoazepine and/or salt thereof; (b) hydroxypropylcellulose containing a hydroxypropoxyl group in an amount of 50 wt.% or greater; and (c) at least one member selected from the group consisting of carmellose, sodium carboxy methyl starch, crospovidone, and low substituted hydroxypropylcellulose with an average particle diameter of 30 to 70µm, and a 90% cumulative particle diameter of 100 to 200µm.
Drugs covered by this patent
- Samsca (TOLVAPTAN) · Otsuka
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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