Compositions: ceramic – Ceramic compositions
Patent
1998-05-27
1999-10-26
Marcantoni, Paul
Compositions: ceramic
Ceramic compositions
501128, 501154, C04B 3500
Patent
active
059728159
ABSTRACT:
There is disclosed a bioceramic matter as small in size as 300-475 mesh, comprising about 60.5-70.5% by weight of silica (SiO.sub.2), about 10.7-13.7% by weight of alumina (Al.sub.2 O.sub.3) and about 10.8-20.8% by weight of an effective-ingredient mix. The effecitive ingredient mix comprises about 1.4-3.4% by weight of ferric oxide (Fe.sub.2 O.sub.3), about 0.3-0.7% by weight of magnesium oxide (MgO), about 0.8-1.6% by weight of calcium oxide (CaO), about 1.5-3.5% by weight of sodium oxide (Na.sub.2 O), about 0.4-2.4% by weight of potassium oxide (K.sub.2 O), about 0.09-0.1% by weight of phosphorous pentoxide (P.sub.2 O.sub.5), about 0.02-0.2% by weight of titanium (Ti), about 0.02-0.2% by weight of manganese (Mn), about 0.02-0.2% by weight of selenium (Se), about 15-25 ppm of germanium (Ge), and about 2.5-3.5% by weight of silver (Ag). The bioceramic matter is so small that it can be subjected to a liquid phase under which it can form intermolecular bonds with other materials, and has excellent biological effects on organisms, including maintenance of freshness of foods, deodorization, vitalization, antibacterial activity, etc.
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