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Details for Patent: 7,727,548

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Summary for Patent: 7,727,548

Title:Rapidly disintegrable tablet containing polyvinyl alcohol
Abstract:The present invention provides a quickly disintegrating tablet which has quick disintegrability and solubility in an oral cavity, and does not have uncomfortable tastes such as bitterness, has a small variation of a tablet physical property even in storage under a humidifying condition, and has substantially no change in a medicine content in the tablet and tablet appearance and which is superior in stability; and a manufacturing method of the tablet. That is, it provides: a quickly disintegrating tablet which is prepared by blending a medicine with a saccharide and polyvinyl alcohol, which has small variations of tablet weight, tablet hardness, tablet diameter and tablet thickness, and which is superior in medicine stability in the tablet; and a manufacturing method of the tablet.
Inventor(s): Morita; Yutaka (Saitama, JP), Yasui; Masanobu (Saitama, JP), Ohwaki; Takayuki (Saitama, JP), Tsushima; Yuki (Saitama, JP)
Assignee: Eisai R&D Management Co., Ltd. (Tokyo, JP)
Application Number:10/203,687
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Organic fine chemistry
Back Citations: 63rd percentile
Forward Citations: 1st percentile

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Foreign Priority and PCT Information for Patent: 7,727,548

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan2000-56176Mar 01, 2000
PCT Information
PCT FiledMarch 01, 2001PCT Application Number:PCT/JP01/01575
PCT Publication Date:September 07, 2001PCT Publication Number: WO01/64190

International Patent Family for Patent: 7,727,548

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria437632► subscribe
Germany60139379► subscribe
European Patent Office1260215► 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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