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Details for Patent: 5,490,987

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Summary for Patent: 5,490,987

Title: Tableting of colestipol hydrochloride
Abstract:The present invention provides a novel formulation of matter and a novel process for making it. In particular, the present invention provides unique and novel 1000 mg tablets of Colestipol hydrochloride having the advantageous properties of hardness and low friability and a novel process for making such tablets.
Inventor(s): Shen; Robert W. (Kalamazoo, MI), Price; Jeffrey E. (Schoolcraft, MI)
Assignee: The Upjohn Company (Kalamazoo, MI)
Application Number:08/175,412
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Process;
Patent PDF download available with subscription

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Foreign Priority and PCT Information for Patent: 5,490,987

PCT Information
PCT FiledJune 23, 1992PCT Application Number:PCT/US92/05066
PCT Publication Date:January 21, 1993PCT Publication Number: WO93/00915

International Patent Family for Patent: 5,490,987

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria173931<disabled in preview>
Australia2293392<disabled in preview>
Australia669664<disabled in preview>
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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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