Shinsaku Fujimori of Ibaraki, Japan, and Shigeji Kobori of Saitama, Japan, have developed a novel cement that is alkalescent, capable of solidifying a wide range of soil and applicable to biological environment. According to the US Patent & Trademark Office: "The cement composition contains 100 parts by weight of magnesium oxide, 5 to 25 per cent by weight of at least one of silicic acid, alumina and iron oxide, 3 to 35 parts by weight of a phosphate, 2 to 30 parts by weight of gypsum and 0.005 to 7 parts by weight of a hydroxycarboxylic acid or a ketocarboxylic acid." The patent has been assigned to National Institute for Rural Engineering, Tsukuba, Japan. Published under Cement News
Shinsaku Fujimori of Ibaraki, Japan, and Shigeji Kobori of Saitama, Japan, have developed a novel cement that is alkalescent, capable of solidifying a wide range of soil and applicable to biological environment. According to the US Patent & Trademark Office: "The cement composition contains 100 parts by weight of magnesium oxide, 5 to 25 per cent by weight of at least one of silicic acid, alumina and iron oxide, 3 to 35 parts by weight of a phosphate, 2 to 30 parts by weight of gypsum and 0.005 to 7 parts by weight of a hydroxycarboxylic acid or a ketocarboxylic acid." The patent has been assigned to National Institute for Rural Engineering, Tsukuba, Japan. Published under Cement News
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