Multiple unit effervescent dosage form
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United States of America Patent
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Sep 4, 2001
Grant Date -
N/A
app pub date -
Aug 28, 1998
filing date -
Jul 1, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is related to an effervescent pharmaceutical preparation comprising effervescent excipients and a plurality of individual units comprising a pharmaceutically active compound and optional excipients wherein the units (1) are provided with a floating generating system. The floating generating systems comprises at least two coating layers, one of which is a gas generating layer (2) and the other layer is a barrier layer (3) enclosing the generated gas. Furthermore the invention is related to a process for the manufacture of the dosage forms, and their use in medicine.
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