Effervescent whitening dentifrice having oxygen-derived sensory signal
US6254857A · kind A · utility
10Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2000 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | May 24, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An effervescent two component whitening dentifrice composition is disclosed which comprises a first component containing a peroxide compound such as hydrogen peroxide and a second dentifrice component containing a mixture of iron and copper salts such as FeSO.sub.4 and CaSO.sub.4, which when the two components are combined and mixed upon application to the teeth provides an effervescent sensory signal concomitant with whitening of the teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.