Enteric coated pharmaceutical compositions
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United States of America Patent
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-
Jul 6, 1993
Grant Date -
N/A
app pub date -
Sep 30, 1991
filing date -
Sep 30, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An enteric coated pharmaceutical composition is provided which includes a medicament which is sensitive to a low pH environment of less than 3, such as pravastatin, which composition is preferably in the form of pellets which includes an enteric coating formed of neutralized hydroxypropylmethyl cellulose phthalate, plasticizer and anti-adherent. The so-coated pellets have good resistance to deterioration at pH less than 3 but have good drug release properties at greater than 3.
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