C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
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
Aldcroft Derek
Newton John Robert
Quinn James Philip
Stanier Peter William
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Crosfield Limited
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