C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/185
C01B 33/20 (2006.01) A61K 8/28 (2006.01) A61Q 11/00 (2006.01) C08K 3/34 (2006.01)
Patent
CA 1215817
ABSTRACT The present invention relates to a synthetic amorphous zirconium-bonded silicate which is especially useful as a toothpaste base material. The said silicate is obtained by reacting, as main starting materials, a water-soluble alkali-metal silicate with an inorganic water-soluble zirconyl salt and a mineral acid, in which zirconium is bonded to silica with a ZrO2 to SiO2 ratio of 0.1 to 10 percent by weight. The material of the invention eliminates problems associated with precipitated fine silicate powder. Hereto- fore the properties of precipitated fine silicate powder in relation to liquid absorptivity and abrasiveness have been unacceptable for use in toothpaste.
461577
Fushino Tetsuo
Hachijo Akihiro
Ohtsu Shozo
Shinpo Shozo
Lion Corporation
Ridout & Maybee Llp
Taki Chemical Co. Ltd.
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