Dental curable composition
US9855195B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 16, 2016 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Sep 16, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/887
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a dental curable composition used for dental filling restorative materials, dental crown prosthesis materials such as inlays, crowns, and bridges, materials for constructing anchor teeth, block materials for dental CAD/CAM, etc. More specifically, the present invention provides a dental curable composition comprising a curable resin (A), a porous inorganic filler (B), and a polymerization initiator (C), wherein the porous inorganic filler (B) comprises a silicon dioxide, and an oxide comprising at least one kind of the other metallic elements, and a ratio (I1/I2) of a maximum absorbance (I1) of 3730 to 3750 cm−1 to a maximum absorbance (I2) of 3000 to 3600 cm−1 in infrared absorption spectrum of the porous inorganic filler (B), is not less than 1 and not more than 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.