Light-activated tooth whitening method
US8562955B2 · kind B2 · utility
0Cited by
94References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2005 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jul 27, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/81
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of whitening teeth comprises the steps of contacting a stained tooth surface with an organic metal-ligand complex and an oxidizing compound, and exposing the stained tooth surface to actinic radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.