Thickening silica as fluoride carrier for tailored delivery and slow release
US11883511B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2020 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Jan 29, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are oral care compositions comprising a thickening silica and a fluoride ion source, wherein fluoride is absorbed on the thickening silica and wherein the pH of the composition is below 5.5, as well as to methods of using these compositions. The thickening silica may have a particle size distribution (D95) less than or equal to 7 μm and a BET surface area of greater than or equal to 150 m2/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.