A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/25 (2006.01) A61P 1/02 (2006.01) A61Q 11/00 (2006.01)
Patent
CA 2407693
A high cleaning low abrasion dentifrice containing a silica hydrogel having a mean particle size from about 5 to about 11 microns; an Einlehner hardness of from 1 to about 20; an oil absorption of about 40 to less than about 100 cc/g, a BET surface area from 100 to 700 m2/g of silica, the particles having a morphology characterized by glass conchoidal fracture surfaces whereby, the dentifrice composition has a RDA of 110 to 200 and a PCR from about 150 to about 300.
Cette invention concerne un dentifrice à fort pouvoir nettoyant, à faible effet abrasif. Ce dentifrice renferme un hydrogel de silice dont la taille moyenne des particules se situe entre 5 et 22 microns environ, présente une dureté Einlehner comprise entre 1 et 20 environ; a un pouvoir d'absorption de quelque 40 à moins de 100 cc/g environ, une aire de surface BET comprise entre 100 et 700 m2/g de silice. Les particules présentent une morphologie caractérisée par des surfaces de fracture conchoïdales de type verre. La composition dentifrice a un indice de test radioactif d'abrasion dentaire (RDA) de 110 à 200 et un rapport de nettoyage pelliculaire (PCR) compris entre 150 et 300 environ.
Durga Gary A.
Prencipe Michael
Priolo Peter J.
Ren Peter
Colgate-Palmolive Company
Smart & Biggar
LandOfFree
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