Endodontic post and obturator
US9492360B2 · kind B2 · utility
3Cited by
273References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Jan 9, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An obturator in which a filling material includes a biodegradable thermoplastic polymer. A bioactive substance may also be included in the filling material. The thermoplastic polymer acts as a matrix for the bioactive substance. The composition may include other polymeric resins, fillers, plasticizers and other additives typically used in dental materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.