Silicas

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

23/192, 167/320.

C01B 33/187 (2006.01) A61K 8/25 (2006.01) A61Q 11/00 (2006.01) C01B 33/193 (2006.01)

Patent

CA 1307646

R.3016 ABSTRACT An amorphous silica, especially precipitated silica, suitable for use in toothpastes, has a high abrasivity represented by a perspex abrasion value in the range from about 23 to about 35.

530368

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