Combating dentine hypersensitivity with a non-ionic polymer
US9839597B2 · kind B2 · utility
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4References
9Claims
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Key dates
| Filing date | Mar 28, 2012 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Mar 28, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5422
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An oral care composition which is a liquid at or below room temperature and which forms a two-phase cloudy system at body temperature and wherein the composition comprises a water-soluble non-ionic polymer, such as HPC, having a cloud point in the composition at a temperature no higher than about 38° C., for combating (i.e. helping to prevent, inhibit and/or treat) dentinal hypersensitivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.