Dental visible light curable epoxy system with enhanced depth of cure
US5856373A · kind A · utility
120Cited by
45References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Oct 3, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S522/908
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A visible-light photopolymerizable composition comprising a) a cationically polymerizable epoxy resin, b) a hydroxyl-containing material c) an aryliodonium salt and d) a visible light sensitizer that is an alpha-dicarbonyl compound having an extinction coefficient less than about 1000. Particularly preferred compositions of the present invention are dental materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.