Ceramic fused fiber enhanced dental materials
US5621035A · kind A · utility
63Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1995 |
| Grant date | Apr 15, 1997 |
| Priority date | — |
| Expiry date | Feb 8, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The preferred embodiment of the present invention provides novel and unique filler compositions and ceramic enhanced dental materials. The preferred embodiment of the filler composition and the ceramic dental restorative material is comprised of about 22% by weight alumina, about 78% by weight silica, about 2% by weight silicon carbide, and about 2.85% by weight boron nitride with less than 1% cristobalite contamination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.