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US 7,678,817 B2Granted
Enteric medicinal composition for oral use
AssigneeMedrx Co., Ltd.
InventorsNoboru Tatsumi, Hidetoshi Hamamoto, Masaki Ishibashi, Kanako Shiota, Sueko Matsumura, Keiko Yamasaki
Life of this patent
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Abstract
An enteric medicinal composition comprising a drug ingredient, pectin, alginic acid, or a derivative thereof, and water is provided that is easy to swallow.
Claims6
An enteric medicinal composition, comprising a drug ingredient, pectin, alginic acid or derivative thereof, and water,
- wherein the enteric medicinal composition is a gel,
- a total content of the pectin and the alginic acid or derivative thereof is from 0.1 to 10% by mass in a total amount of the enteric medicinal composition,
- a ratio of the alginic acid or derivative thereof to the pectin is from 0.2 to 5,
- the alginic acid or derivative thereof is alginic acid, sodium alginate, calcium alginate, potassium alginate, or ammonium alginate,
- the enteric medicinal composition is free both from disintegration and from releasing the drug ingredient at pH 1.2 for 120 minutes, and
- the drug ingredient is eluted at pH 6.8.
3 more elements
Dependencies are inferred from the claim text.