Dental fillers, pastes, and compositions prepared therefrom
US7091259B2 · kind B2 · utility
8Cited by
62References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2002 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Jul 18, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2995
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a dental paste, methods of making and using the dental paste, and compositions prepared therefrom. The dental paste includes (a) a filler including porous, non-pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-agregated primary silica particles, with the fillers being dispersed in a hardenable resin. Fillers including porous, non-pyrogenic silica, and methods of making and using the fillers, are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.