Teeth whitening methods, visually perceptible signals and compositions therefor
US9993407B2 · kind B2 · utility
10Cited by
48References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2017 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jan 20, 2037 |
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.