Tablet and pestle therefor
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United States of America Patent
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Dec 16, 2014
Grant Date -
Feb 9, 2012
app pub date -
Apr 20, 2010
filing date -
Apr 22, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A tablet which comprises solid particles, especially magnesium oxide particles as the main component and has excellent shape retentivity with extremely low susceptibility to wearing and chipping. The tablet has a domed shape on each of the upper and lower horizontal surfaces of a cylindrical plate shape, wherein the domed shape on each of the upper and lower horizontal surfaces satisfies the following requirements (a), (b) and (c) in the cross-sectional shape including the center line of the cylindrical plate shape: (a) each corner has an angle of 25 to 45°, (b) each corner has a horizontal length of 0.30 to 1.0 mm, and (c) the cup has a depth of 0.6 to 1.2 mm.
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