Amorphous silica

Details Amorphous silica Amorphous silica

1993-11-29

1995-09-05

Fourson, George

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423335, 524492, C01B 3112

Patent

active

054477042

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.

REFERENCES:
patent: 3960586 (1976-06-01), Wason
patent: 3977893 (1976-08-01), Wason
patent: 4067746 (1978-01-01), Wason et al.
patent: 4100267 (1978-07-01), Pader
patent: 4122161 (1978-10-01), Wason
patent: 4153680 (1979-05-01), Seybert
patent: 4421527 (1983-12-01), Wason
patent: 4581217 (1986-04-01), Shinpo et al.
patent: 4590052 (1986-05-01), Cherullier et al.

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