Dental materials based on multicyclic allyl sulphides
US7501457B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2006 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Jan 29, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dental materials and associated methods are described based on multicyclic allyl sulphides with general Formula (I):in which R1 is H or a C1-C10 alkyl radical; R2 is H or a C1-C10 alkyl radical; R3 is absent or is a C1-C20 alkylene radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C6-C12 radical, a C6-C14 arylene or C7-C20 alkylene arylene radical; R4 is an n-times substituted aliphatic C2 to C20 hydrocarbon radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, an aromatic C6-C14 radical, an aliphatic-aromatic C7-C20 radical or a heterocyclic radical which can contain 4 to 20 carbon atoms and 1 to 6 heteroatoms which are selected from N, O, P and/or S atoms, or which is formed exclusively by these heteroatoms; R5 is absent or is a C1-C10 alkylene radical; X is absent or is O, S, —O—CO— or —O—CO—NH—; Y is absent or is O, S, —O—CO— or —O—CO—NH—; m is 0 or 1 and n is an integer from 3 to 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.