Nifedipine concentrate stabilized against the influence of light and a process for its preparation
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United States of America Patent
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Feb 27, 1990
Grant Date -
N/A
app pub date -
Dec 7, 1987
filing date -
Dec 18, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nifedipine concentrate stabilized against the influence of light is described, characterized in that it contains nifedipine, polyethylene glycol, from 0.5 to 20% by weight of Vitamin B.sub.2, based on the nifedipine, at least one surface-active agent and optionally conventional carriers. A process for the preparation of the nifedipine concentrate and a medicament containing nifedipine and its use for the production of pharmaceutical preparations are also described.
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