Multifunctional dentin bonding agent
US6673958B2 · kind B2 · utility
4Cited by
4References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 7, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Mar 9, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C271/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel unsaturated esters for use in dentistry as bonding agents are produced by a stepwise reaction of a cyclic dianhydride with a) unsaturated alcohols, b) unsaturated glycidyl ethers, and c) unsaturated isocyanates. The products used as bonding agents have the formula: wherein R2 is H or CH3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.