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Serving leading biopharmaceutical companies globally:

US Department of Justice
Cantor Fitzgerald
Farmers Insurance

Generated: December 11, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,466,972

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Summary for Patent: 4,466,972

Title: Benzoxadiazoles and benzothiadiazoles, their preparation and pharmaceutical compositions containing them
Abstract:Compounds of formula I, ##STR1## wherein X is oxygen or sulphur, and R.sub.1 -R.sub.6 are various substituents. The compounds are useful for treating coronary insufficiency, intermittent claudication, cerebrovascular insults, spasms in muscles and hypertension.
Inventor(s): Neumann; Peter (Berne, CH)
Assignee: Sandoz Ltd. (Basel, CH)
Application Number:06/359,751
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

No matches for this query

Foreign Priority and PCT Information for Patent: 4,466,972

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland7520/77Jun 20, 1977
Switzerland2865/78Mar 16, 1978
Switzerland5627/79Jun 15, 1978
Switzerland12835/78Dec 18, 1978
Switzerland12888/78Dec 18, 1978
Switzerland12890/78Dec 18, 1978
Switzerland3472/79Apr 11, 1979
Switzerland3477/79Apr 11, 1979
United Kingdom40624/79Nov 23, 1979
Germany294945Dec 08, 1979

International Patent Family for Patent: 4,466,972

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria376220► Subscribe
AustriaA443178► Subscribe
Australia3725278► Subscribe
Australia524000► Subscribe
Australia536055► Subscribe
Australia538515► Subscribe
Australia5389679► Subscribe
Australia5389779► Subscribe
Australia545685► Subscribe
Australia6460380► 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:

Queensland Health
Harvard Business School
US Department of Justice
Boehringer Ingelheim

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