Method of preparing dentifrice-compatible silica particulates

Details Method of preparing dentifrice-compatible silica particulates Method of preparing dentifrice-compatible silica particulates

1996-07-16

1998-04-28

Fourson, George R.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423338, 423339, C01B 3312

Patent

active

057441146

ABSTRACT:
Novel silica particulates adopted for formulation into dentifrice compositions have a unique surface chemistry as to be at least 50% compatible with zinc values, and have a number of OH functions, expressed as OH
m.sup.2, of at most 15 and a zero charge point (PZC) of from 3 to 6.5.

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S.K. Wason, "Cosmetic Properties and Structure of Fine-Particle Synthetic Precipitated Silicas," J. Soc. Chem., 29, 497-521 (Aug. 1978).

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