Tooth bleaching
US5989526A · kind A · utility
43Cited by
17References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 5, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Feb 5, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/66
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides safe products for bleaching teeth. Oral compositions comprising at least one oxidoreductase fulfil said criteria without the presence of peroxide or with only very little peroxide present. The invention also relates to an oral care product comprising the oral composition of the invention, a method of bleaching teeth, a method for using said oral care products and the use of oxidoreductases for oxidation of teeth stains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.