Oral compositions having accelerated tooth whitening effect
US5648064A · kind A · utility
Inventors
Key dates
| Filing date | Jul 7, 1995 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | Jul 7, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A two component whitening dentifrice composition is disclosed which comprises a first component containing a peroxygen compound such as hydrogen peroxide and a second dentifrice component containing a manganese coordination complex compound such as manganese gluconate, which activates the peroxygen compound and accelerates the release of active oxygen for rapid whitening action, the first and second components being maintained separate from the other until dispensed for application to teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.