Abrasive compositions for clear toothpaste

Details Abrasive compositions for clear toothpaste Abrasive compositions for clear toothpaste

2005-03-22

2005-03-22

Krass, Frederick F. (Department: 1614)

Drug, bio-affecting and body treating compositions

Dentifrices

C423S335000, C423S339000, C051S308000

Reexamination Certificate

active

06869595

ABSTRACT:
A transparent dentifrice is provided that has excellent abrasive performance. The dentifrice comprises from about 10 wt % to about 13 wt % water, and an abrasive, low-structure, precipitated silica having: a refractive index of from about 1.439 to 1.450, an oil absorption of from about 90 ml/100 g to about 120 ml/100 g, a light transmittance of greater than about 60%; and a Brass Einlehner abrasion value of less than about 5 mg loss/100,000 rev. Additionally the dentifrice has: a haze value of less than about 50; an RDA of about 50 to 200; and a refractive index of from about 1.439 to 1.450.

REFERENCES:
patent: 4992251 (1991-02-01), Aldcroft et al.

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