Teeth whitening methods, visually perceptible signals and compositions therefor
US9572756B2 · kind B2 · utility
14Cited by
47References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2012 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Dec 19, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/58
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described herein are methods of cleaning a tooth comprising administering a composition comprising a zinc amino acid halide complex to the oral cavity; and retaining the composition in the oral cavity for a time sufficient to form a precipitate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.