Dental composite filler particles
US7396862B2 · kind B2 · utility
13Cited by
8References
7Claims
0Family size
Inventors
Key dates
| Filing date | Feb 6, 2004 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jul 7, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dental composite filler materials comprise particles coated via an atomic layer deposition (ALD) process. The coating material has a different composition than the core particle. The difference in composition permits fine control over the refractive index of the coated particles, allowing good matching tooth enamel and to the binder materials used in the composite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.