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 1307904
R.3017 ABSTRACT A precipitated silica, suitable for use in toothpastes, has a high absorbency, i.e. 110 to 180cm3/100g, and good abrasivity with a plastics abrasion value of 12 to 20. The silica provides abrasion even at a relatively low particle size.
524178
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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