Curable composition and cured product for dental use
US9144475B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 13, 2011 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/60
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a curable composition allowing a cured product having high aesthetic quality, strength and durability along with having high surface lubricating property. A curable composition in the present invention comprises: an inorganic powder and a polymerizable monomer, wherein the inorganic powder contains a spherical composite powder, the spherical composite powder has a complex of silicon dioxide and at least one of alumina and zirconia, and an amorphous part and a crystalline part are mixed in the spherical composite powder. A refractive index difference is not more than 0.05 between the spherical composite powder and a cured product obtained by curing only a compound excluded the spherical composite powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.