Dental materials based on polymerizable thiourea derivatives
US12083194B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Feb 1, 2022 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Oct 23, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F222/102
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Radically polymerizable dental material, which includes a combination of a hydroperoxide and a thiourea derivative according to the following Formula (I) as initiator system for the radical polymerization: in which R is absent or is an (n+1)-valent, aromatic, aliphatic, linear or branched C1-C50 hydrocarbon radical, which can be interrupted by one or more ether, thioether, ester, amide or urethane groups; PG is a radically polymerizable (meth)acrylate, (meth)acrylamide or vinyl group; and n is 1, 2 or 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.