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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Johnson and Johnson
Harvard Business School

Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 3,910,924

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Summary for Patent: 3,910,924

Title: 3,4-Dihydrocarbostyril derivatives and a process for preparing the same
Abstract:A novel compound represented by the formula ##SPC1## Wherein R is defined as hereinafter, having a blocking activity on .beta.-adrenergic nerves, a novel intermediate useful for synthesis thereof and processes for preparing the same are disclosed.
Inventor(s): Tamura; Yasumitsu (Takarazuka, JA), Nakagawa; Kazuyuki (Tokushima, JA), Yoshizaki; Shiro (Komatsujima, JA), Murakami; Nanami (Tokushima, JA)
Assignee: Otsuka Pharmaceutical (Tokyo, JA)
Application Number:05/324,905
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 3,910,924

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
47-37181Apr 13, 1972
47-37182Apr 13, 1972

International Patent Family for Patent: 3,910,924

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina197270► Subscribe
Argentina209575► Subscribe
AustriaA244373► Subscribe
Austria337703► Subscribe
AustriaA699775► Subscribe
Austria337704► Subscribe
Australia475964► Subscribe
Australia5438673► Subscribe
Australia6338573► Subscribe
Belgium794669► 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:

US Department of Justice
Cantor Fitzgerald

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