EP0446961A2 — Stabilized pharmaceutical composition and its production
Assigned to Takeda Pharmaceutical Co Ltd · Expires 1991-09-18 · 35y expired
What this patent protects
The pharmaceutical composition of the invention, which comprises a benzimidazole compound of the formula <CHEM> wherein R<1> is hydrogen, alkyl, halogen, cyano, carboxy, carboalkoxy, carboalkoxyalkyl, carbamoyl, carbamoylalkyl, hydroxy, alkoxy, hydroxyalkyl, trifluoro…
USPTO Abstract
The pharmaceutical composition of the invention, which comprises a benzimidazole compound of the formula <CHEM> wherein R<1> is hydrogen, alkyl, halogen, cyano, carboxy, carboalkoxy, carboalkoxyalkyl, carbamoyl, carbamoylalkyl, hydroxy, alkoxy, hydroxyalkyl, trifluoromethyl, acyl, carbamoyloxy, nitro, acyloxy, aryl, aryloxy, alkylthio or alkylsulfinyl, R<2> is hydrogen, alkyl, acyl, carboalkoxy, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, alkylcarbonylmethyl, alkoxycarbonylmethyl or alkylsulfonyl, R<3> and R<5> are the same or different and each is hydrogen, alkyl, alkoxy or alkoxyalkoxy, R<4> is hydrogen, alkyl, alkoxy which may optionally be fluorinated, or alkoxyalkoxy, and m is an integer of 0 through 4, and a basic inorganic salt of magnesium and/or a basic inorganic salt of calcium, is physically stable.
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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