Oral care whitening compositions
US9937116B2 · kind B2 · utility
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3References
3Claims
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Assignee
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Key dates
| Filing date | Nov 27, 2012 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Mar 13, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described herein are oral care compositions comprising a whitening agent having the formula: R1—O—O—R2; and an aliphatic ketone; wherein R1 and R2 are independently selected from hydrogen, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 carbonyl, SO3, and phenyl; and methods of making and using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.