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° 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): | Chih-Ming Chen, Joseph C. H. Chou |
| Assignee: | Covis Pharma GmbH , Allergan Sales LLC |
| Application Number: | US08/990,129 |
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Patent Claim Types: see list of patent claims | Compound; Dosage form; |
Drugs Protected by US Patent 6,485,748
| 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 |
