EP0761212A2 — Effervescent composition and its production
Assigned to Takeda Pharmaceutical Co Ltd · Expires 1997-03-12 · 29y expired
What this patent protects
An effervescent composition comprising a core-shell powder consisting of a fine granular core spray-coated with a liquid mixture containing a water-soluble polymer such as hydroxypropylcellulose or hydroxypropylmethylcellulose, and at least one physiologically active substance, e…
USPTO Abstract
An effervescent composition comprising a core-shell powder consisting of a fine granular core spray-coated with a liquid mixture containing a water-soluble polymer such as hydroxypropylcellulose or hydroxypropylmethylcellulose, and at least one physiologically active substance, especially an acid-sensitive drugs, and enteric coating film, an effervescing component and an auxiliary effervescing agent which provides for controlled release of the physiologically active substance and in useful for preparing uniform solution or suspension having a refreshing sensation on ingestion.
Drugs covered by this patent
- Prilosec (omeprazole) · AstraZeneca (originally Astra AB)
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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