Sustained release tablet containing at least 95 percent theophylline
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United States of America Patent
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Oct 15, 1985
Issued Date -
N/A
app pub date -
Jun 4, 1984
filing date -
May 6, 1980
priority date (Note) -
Expired
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Abstract
Non-disintegrating theophylline tablets having a pair of opposing substantially planar surfaces and a very thin cross-section have a high bioavailability on ingestion and a relatively steady release rate permitting a 12 hr. dosing interval for maintenance of non-toxic therapeutic blood theophylline concentrations. Excipients or tableting aids are not required, but trace amounts of a tableting lubricant are preferably included to facilitate continuous large scale production.
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