Details for Patent: 6,485,748

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Summary for Patent: 6,485,748

Title:	Once daily pharmaceutical tablet having a unitary core
Abstract:	A controlled release tablet is disclosed which comprises: (a) a homogeneous compressed core which comprises: (i) a medicament which is very slightly soluble to practically insoluble in water at 25.degree. C.; (ii) a water soluble osmotic compound (iii) one or more osmotic polymers; and (b) a membrane coating which completely covers said core tablet which comprises a mixture of a: (i) a water insoluble pharmaceutically acceptable polymer; and (ii) a pH dependent polymer such as an enteric coating polymer, the weight ratio of the pH dependent polymer to the water insoluble pharmaceutically acceptable polymer being 0.1:1 to 0.75:1. A controlled release tablet which comprises: (a) a medicament (a) a homogeneous compressed core which comprises: (i) a medicament; (ii) a water soluble osmotic compound (iii) one or more osmotic polymers; and (b) a membrane coating which completely covers said core tablet which comprises a mixture of: (i) a water insoluble pharmaceutically acceptable polymer; and (ii) an enteric polymer.
Inventor(s):	Chen; Chih-Ming (Davie, FL), Chou; Joseph C. H. (Coral Springs, FL)
Assignee:	Andrx Pharmaceuticals, Inc. (Davie, FL)
Application Number:	08/990,129
Patent Claim Types: see list of patent claims	Compound; Dosage form;

Drugs Protected by US Patent 6,485,748

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

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