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|Title:||Sustained release pharmaceutical composition|
|Abstract:||The present invention relates to a pharmaceutical pellet composition having a core element including at least one highly soluble active ingredient and a core coating which is partially soluble at a highly acidic pH. The pharmaceutical composition provides a slow release of active ingredient at a highly acidic pH and provides a constant, relatively faster rate of release at a more alkaline pH such as that of the intestine. Oral administration of the pharmaceutical pellet composition of the present invention to a patient is effective to deliver to the blood levels of active ingredient within the therapeutic range and to maintain such levels over an extended period of time.|
|Inventor(s):||Morella; Angelo M. (Campbelltown, AU), Fisher; Mark C. (Birkenhead, AU)|
|Assignee:||F. H. Faulding & Co. Limited (Salisbury South, AU)|
Patent Claim Types:|
see list of patent claims
|Composition; Compound; Formulation; Dosage form; Use;|
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|Australia||PJ2192||Jan 06, 1989|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| This preview shows a limited data set|
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
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