Radiopaque dental materials with nano-sized particles
US6387981B1 · kind B1 · utility
225Cited by
95References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1999 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Oct 28, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S522/908
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dental material comprising a hardenable resin, a non-heavy metal oxide particle and a heavy metal oxide. The dental materials can be radiopaque, strong, translucent, or resistant to toothbrush abrasion, or combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.