Oral care compositions with increased whitening efficacy
US9974724B1 · kind B1 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2016 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Oct 27, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dual-phase mouthwash composition for whitening teeth is disclosed. The dual-phase mouthwash composition includes an orally acceptable vehicle having a hydrophilic phase and a hydrophobic phase, a blue dye and/or blue pigment having a blue to blue-violet color with a hue angle in the CIELAB system from about 200 to about 320 degrees, and a zinc salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.