Biologically active nanoparticles a carbonate-substituted hydroxyapatite, process for their preparation and compositions incorporating the same
US8367043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2006 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Apr 25, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/413
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to biologically active nanoparticles of a carbonate-substituted non-stoichiometric hydroxyapatite, having: The biologically active nanoparticles of the invention find a preferred use in oral or dental hygiene applications and may be formulated as compositions for oral or dental hygiene such as, for example, solutions, suspensions, oils, gels or other solid products. Other aspects of the invention include a process for preparing a suspension for oral or dental hygiene including the aforementioned biologically active nanoparticles, a process for manufacturing a toothpaste comprising the nanoparticles, as well as a method of locally remineralizing the teeth comprising contacting the teeth with the nanoparticles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.