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Serving leading biopharmaceutical companies globally:

Harvard Business School
Argus Health
Cantor Fitzgerald
Queensland Health
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Generated: November 19, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,724,233

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Summary for Patent: 4,724,233

Title: Therapeutical application of phosphonylmethoxyalkyl adenines
Abstract:The (S) and (RS) forms of certain phosphonylmethoxyalkyl adenines and their salts have an antiviral effect against several DNA viruses and can be used for the treatment of virus diseases in human and veterinary medicine.
Inventor(s): De Clercq; Erik (Louvain, BE), Holy; Antonin (Trebesovska, CS), Rosenberg; Ivan (Obrancu min, CS)
Assignee: Stichting Rega VZW (Louvain, BE) Ceskoslovenska Akademie VED (Prague, CS)
Application Number:06/854,087
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 4,724,233

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Czechoslovakia3018/85Apr 25, 1985

International Patent Family for Patent: 4,724,233

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria73663► Subscribe
Australia5646886► Subscribe
Australia586860► Subscribe
Canada1272956► Subscribe
Czechoslovakia263952► Subscribe
Germany3684363► Subscribe
Denmark167342► Subscribe
Denmark184186► Subscribe
Egypt18436► Subscribe
European Patent Office0205826► 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:

Boehringer Ingelheim
Daiichi Sankyo
Cantor Fitzgerald
Federal Trade Commission
US Department of Justice
Argus Health

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