Hydraulic composition
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United States of America Patent
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Dec 16, 2008
Grant Date -
Dec 9, 2004
app pub date -
May 29, 2002
filing date -
May 29, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulic composition of the present invention includes (A) 100 parts by weight of cement having a Blaine specific surface area of 2,500 to 5,000 cm.sup.2/g, (B) 10 to 40 parts by weight of fine particles having a BET specific surface area of 5 to 25 m.sup.2/g, and (C) 15 to 55 parts by weight of inorganic particles having a Blaine specific surface area which is 2,500 to 30,000 cm.sup.2/g and which is larger than that of the cement. The inorganic particles (C) may comprise 10 to 50 parts by weight of inorganic particles (C1) having a Blaine specific surface area of 5,000 to 30,000 cm.sup.2/g and 5 to 35 parts by weight of inorganic particles (C2) having a Blaine specific surface area of 2,500 to 5,000 cm.sup.2/g.
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