Tooth whitening compositions
US8137658B2 · kind B2 · utility
0Cited by
57References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Feb 7, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A liquid, substantially anhydrous tooth whitener composition for delivery of a tooth-whitening amount of active whitening ingredient onto teeth, with effective bioadhesion and retention thereof, and, thereupon, sufficient penetration of the ingredient through the tooth enamel, providing efficacious bleaching of stained teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.