Low water metal ion dentifrice
US10098829B2 · kind B2 · utility
3Cited by
38References
14Claims
0Family size
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Key dates
| Filing date | Jun 2, 2011 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | Nov 16, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dentifrice composition having a low water phase comprising effective amounts of polyphosphate and ionic active ingredients. The composition comprises a source of metal ions, an inorganic phosphate salt having four or more phosphorus atoms and a cross-linked polyvinylpyrrolidone thickening agent in a single phase. Preferred metal ions are stannous, copper and zinc, in particular from zinc citrate and stannous fluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.