EP0895780A1 — Extended release tablets particularly containing pseudoephedrine hydrochloride
Assigned to L Perrigo Co · Expires 1999-02-10 · 27y expired
What this patent protects
This invention relates to extended-release tablets particularly containing pseudoephedrine hydrochloride. The tablets comprise a sustained release hydroxypropyl methylcellulose matrix, a microcrystalline cellulose disintegrant, and a filler and are formed by a dry granulation, di…
USPTO Abstract
This invention relates to extended-release tablets particularly containing pseudoephedrine hydrochloride. The tablets comprise a sustained release hydroxypropyl methylcellulose matrix, a microcrystalline cellulose disintegrant, and a filler and are formed by a dry granulation, direct compression method. A method for forming these tablets is also disclosed.
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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