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Details for Patent: 5,821,236

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Summary for Patent: 5,821,236

Title: Tumor treatment with arabinofuranosyl purine derivatives
Abstract:6-Alkoxy derivatives of Ara-G, and pharmaceutically acceptable esters thereof, are described as being useful in tumor therapy. Novel pharmaceutically acceptable esters, their preparation and pharmaceutical formulations containing them are also disclosed.
Inventor(s): Krenitsky; Thomas Anthony (Chapel Hill, NC), Averett; Devron Randolph (Raleigh, NC), Koszalka; George Walter (Chapel Hill, NC)
Assignee: Glaxo Wellcome Inc. (Research Triangle Park, NC)
Application Number:08/449,078
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 5,821,236

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9015914Jul 19, 1990

International Patent Family for Patent: 5,821,236

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Ireland912513<disabled in preview>
Germany69125715<disabled in preview>
Denmark0539479<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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