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Details for Patent: 5,583,141

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Summary for Patent: 5,583,141

Title: Heterocyclic compounds and their use as angiotensin antagonists
Abstract:
Inventor(s): Naka; Takehiko (Hyogo, JP), Inada; Yoshiyuki (Hyogo, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:08/291,435
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
Patent PDF download available with subscription

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Foreign Priority and PCT Information for Patent: 5,583,141

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan3-157194Jun 27, 1991
Japan3-188882Jul 29, 1991
Japan3-192054Jul 31, 1991

International Patent Family for Patent: 5,583,141

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria240323<disabled in preview>
Australia1859892<disabled in preview>
Australia646343<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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