A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/318.1
A61K 8/25 (2006.01) A61Q 11/00 (2006.01)
Patent
CA 2002532
PRECIPITATED SILICON DIOXIDE ABRASIVE COMPOSITIONS HAVING SUPERIOR COMPATIBILITY WITH ANTI-PLAQUE AND THERAPEUTIC FLUORIDE AGENTS FOR DENTIFRICE APPLICATIONS; DENTIFRICE THEREOF; AND METHOD OF MAKING THE SAME ABSTRACT Novel precipitated silicon dioxide abrasive compositions which can be incorporated into therapeutic toothpaste compositions containing soluble fluoride salts and anti-plaque, anti-microbials are disclosed. The abrasives comprise low structure precipitated silicon dioxides which have been reacted with about 10 to 300 parts per million alkaline earth metal ion, particularly calcium, have a sulfate ion less than 0.25% and an adjusted pH of 4.0 to 7.5. Also provided are methods for preparation of the novel silicon dioxide abrasives and resulting toothpaste formulations containing such abrasives.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
J. M. Huber Corporation
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