Dental composition, method of producing and use thereof
US9295617B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2012 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Jan 12, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a dental composition havinga) compound (A) with the following features:only one backbone unit (U) with 6 to 20 carbon atoms, at least 6 carbon atoms thereof forming an aromatic or an aliphatic cyclic moiety, the remaining carbon atoms either being part of substituents pending from the cyclic moiety or being part of bridging groups to spacer units, wherein one or more of the remaining carbon atoms can be replaced by an oxygen atom, the backbone unit not comprising a bisphenol structure,one or two spacer unit(s) (S) being connected to the backbone unit (U) via an ether linkage, at least one spacer unit (S) having a —CH2-CH2-CH2-CH2-O-CH2-CH(Q)-OG chain or a —CH2-CH(OG)-CH2-OM residue or a mixture of these two types of spacers within one spacer unit,with G having at least one group selected from acroyl, methacroyl, acetyl, benzoyl, and combinations thereof, M having at least one aryl group, and combinations thereof, Q having at least one group selected from hydrogen, methyl, phenyl, phenoxymethyl, and combinations thereof,b) filler (B) and c) initiator (C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.