Dental prosthesis
US6843654B1 · kind B1 · utility
3Cited by
78References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2000 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | May 10, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F255/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dental composition comprising self-lubricating particles and formed into a dental tooth. The invention provides a dental tooth formed from a composition which includes polymeric matrix material and particles of ultrahigh molecular weight polyethylene having a particle size less than 500 microns, and a weight average molecular weight greater than 1,000,000 g/mole chemically bonded to the matrix material and the composition formed into an aesthetic dental tooth. The tooth has an outer face, and at least one of the particles is smeared over the outer face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.