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Serving leading biopharmaceutical companies globally:

AstraZeneca
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Moodys
Chubb
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Deloitte
Medtronic
Farmers Insurance
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Generated: October 19, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,663,159

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Summary for Patent: 5,663,159

Title: Prodrugs of phosphonates
Abstract:There are disclosed novel oral prodrugs of phosphonate nucleotide analogs which are hydrolyzable under physiological conditions to yield compounds which are useful as antiviral agents, especially as agents effective against RNA and DNA viruses. They may also find use as antitumor agents.
Inventor(s): Starrett, Jr.; John E. (Middletown, CT), Mansuri; Muzammil M. (Cheshire, CT), Martin; John C. (Cheshire, CT), Tortolani; David R. (Meriden, CT), Bronson; Joanne J. (Madison, CT)
Assignee: Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic (CZ) N/A (BE) Rega Stichting v.z.w. (
Application Number:08/320,632
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

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International Patent Family for Patent: 5,663,159

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2051239► Subscribe
Germany10399025► Subscribe
Germany69129650► Subscribe
Denmark0481214► Subscribe
European Patent Office0481214► Subscribe91036Luxembourg► Subscribe
European Patent Office0481214► Subscribe300131Netherlands► Subscribe
European Patent Office0481214► SubscribeSPC/GB03/030United Kingdom► Subscribe
European Patent Office0481214► SubscribeC300131Netherlands► Subscribe
European Patent Office0481214► Subscribe03C0034France► Subscribe
Brazil1100467► Subscribe
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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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Serving leading biopharmaceutical companies globally:

Harvard Business School
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QuintilesIMS
Daiichi Sankyo
Dow
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Fuji

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