Details for Patent: 5,202,128

Summary for Patent: 5,202,128

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)
Application Number:	07/574,551
Patent Claim Types: see list of patent claims	Composition; Compound; Formulation; Dosage form; Use;

Drugs Protected by US Patent 5,202,128

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 5,202,128

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Australia	PJ2192	Jan 06, 1989

International Family Members for US Patent 5,202,128

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	133862
Austria	167629
Australia	4773290