Prophy mouthfeel dentifrice having low RDA value
US5108734A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1991 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Jul 1, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dentrifrice cream composition and the process for its preparation is disclosed. The dentrifrice has an RDA value less than 150 which provides a crunchy prophy mouthfeel to the user during toothbrushing. The dentifrice comprises a vehicle having dispersed therein a siliceous polishing agent having a particle size distribution of about 1 to about 100 microns wherein (1) more than 25% of the particles have a size greater than about 40 microns and (2) at least about 10% of the particles of (1) have a particle size greater than about 60 microns and at least about 5% of the particles have a particle size greater than about 80 microns. In the preparation of the dentifrice, the dispersion of the silica particles in the dentifrice is accomplished under low shear conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.