Abrasive compositions for clear toothpaste
US6869595B2 · kind B2 · utility
4Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2002 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Nov 13, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.