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Details for Patent: 5,721,263

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Summary for Patent: 5,721,263

Title: Pharmaceutical composition for angiotensin II-mediated diseases
Abstract:This invention relates to a pharmaceutical composition for angiotensin II-mediated diseases, which comprises a compound having angiotensin II antagonistic activity of the formula ##STR1## wherein R.sup.1 is H or an optionally substituted hydrocarbon residue; R.sup.2 is an optionally esterified carboxyl group; R.sup.3 is a group capable of forming an anion or a group convertible thereinto; X is a covalent bond between the 2 phenyl rings or a spacer having a chain length of 1 to 2 atoms as the linear moiety between the adjoining phenylene group and phenyl group; n is 1 or 2; the ring A is a benzene ring having 1 or 2 optional substituents in addition to R.sup.2 ; and Y is a bond, --O--, --S(O)m-- (wherein m is 0, 1 or 2) or --N(R.sup.4)-- (wherein R.sup.4 is H or an optionally substituted alkyl group), or a pharmaceutically acceptable salt thereof in combination with a compound having diuretic activity or a compound having calcium antagonistic activity.
Inventor(s): Inada; Yoshiyuki (Kawanishi, JP), Kubo; Keiji (Riverside, CA)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:08/351,011
Patent Claim Types:
see list of patent claims
Composition; Compound; Use;

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Foreign Priority and PCT Information for Patent: 5,721,263

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan5-133524Jun 07, 1993

International Patent Family for Patent: 5,721,263

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria239471► subscribe
Austria311188► subscribe
Austria372115► 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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