Resin-forming material, implant material and compositions for restorative material suitable for medical or dental use
US4440878A · kind A · utility
9Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1982 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Jan 20, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Resin-forming material suitable for medical or dental use comprising tetramethylolmethane tri- or tetracrylate or tetramethylolmethane tri- or tetramethacrylate; and implant material suitable for medical or dental use comprising nitride of at least one member of metal selected from the group consisting of Group IVB, Group VB and Group VIB in the periodic table of elements and boron, aluminum and silicon and having Mohs' scale of hardness of at least 7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.