Stable aqueous abrasive peroxide tooth whitening dentifrice
US5851514A · kind A · utility
56Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1996 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Aug 2, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/51
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An aqueous abrasive whitening composition containing a peroxide whitening compound which is chemically and physically stable and exhibits heightened and rapid whitening of teeth and stain removal which comprises a combination of water, abrasive and peroxide compounds, a humectant containing a polyethylene glycol, a polyoxyethylene-polyoxypropylene block copolymer, a metal ion complexing agent and an antioxidant, the pH of the composition being in the range of about 5.8 to about 7.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.