Aesthetic dental materials
US6572693B1 · kind B1 · utility
221Cited by
97References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2000 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Nov 25, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/014
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides for a material comprising(a) a hardenable resin; and (b) a filler comprising (i) clusters of nano-sized particles, the clusters comprising non-beavy metal oxide particles and heavy metal oxides, and being not fully densified particles and (ii) non-agglomerated nano-sized particles selected from the group consisting of non-heavy metal oxide particles, heavy metal oxide particles, and combinations thereof. The material is suitable for use as dental materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.