EP3711763A1 — Controlled release formulation
Assigned to Nippon Shinyaku Co Ltd · Expires 2020-09-23 · 6y expired
What this patent protects
An object of the present invention is to provide a controlled-release preparation containing 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide as an active ingredient and having an excellent release property. A controlled-release prep…
USPTO Abstract
An object of the present invention is to provide a controlled-release preparation containing 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide as an active ingredient and having an excellent release property. A controlled-release preparation characterized by containing 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide, a water-soluble polymer, a functional starch, and an alkaline substance, and having a pH of 10 or more.
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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