Silica compatible with flavors, process for its preparation and

Details Silica compatible with flavors, process for its preparation and Silica compatible with flavors, process for its preparation and

1997-07-18

1999-11-23

O'Sullivan, Peter

Drug, bio-affecting and body treating compositions

Dentifrices

423335, 423338, 423339, 424 52, A61K 716, A61K 718, C01B 3312

Patent

active

059895241

ABSTRACT:
Silica compatible with flavors, exhibiting, at an RP/DA abrasivity lower than or equal to 10, a compatibility with flavors which is higher than 10% and, at an RP/DA abrasivity higher than 10, a compatibility with flavors of at least 30%. Process for the preparation of flavor-compatible silica by treating the surface of a silica originating from the reaction of an alkali metal silicate with an inorganic or organic acidic agent, the silica being in dry form or in an aqueous suspension, with the aid of an organic compound capable of developing hydrogen bonds or ionic bonds with, respectively, the Si--OH silanol groups or the SiO.sup.- anionic groups at the surface of the said silica to be treated, the said treated silica being subsequently, if necessary, isolated and/or washed and/or dried. Use in dentifrice compositions and dentifrice compositions including the said silica.

REFERENCES:
patent: 4110083 (1978-08-01), Benedict
patent: 4157387 (1979-06-01), Benedict
patent: 4340583 (1982-07-01), Wason
French Preliminary Search Report.

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