Details for Patent: 5,284,662
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Summary for Patent: 5,284,662
Title: | Oral osmotic system for slightly soluble active agents |
Abstract: | An oral sustained release composition for slightly soluble pharmaceutically active agents comprising a core, a wall around said core, and a bore through said wall connecting said core and the environment outside of said wall; wherein said core comprises a slightly soluble active agent, optionally a crystal habit modifier, at least two osmotic driving agents, at least two different (or two different grades of) hydroxyalkyl celluloses, and optionally lubricants, wetting agents, and carriers; said wall being substantially impermeable to said core components and permeable to water and gastro-intestinal fluids. The composition is most especially adapted for administering carbamazepine. |
Inventor(s): | Koparkar; Arun D. (Westfield, NJ), Shah; Shailesh B. (Union, NJ) |
Assignee: | Ciba-Geigy Corp. (Ardsley, NY) |
Application Number: | 07/809,026 |
Patent Claim Types: see list of patent claims | Delivery; Composition; Dosage form; |
Drugs Protected by US Patent 5,284,662
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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>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |