Antimicrobial root canal sealer
US5646197A · kind A · utility
18Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | Oct 16, 1995 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Oct 16, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/889
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a root canal sealer which satisfies the need for obtaining a tight seal. The root canal sealer comprises the following powders in the following weight ratios: 31 to 41% zinc oxide, 25% hydrogenated rosin glycerol ester (staybelite resin), 10% bismuth subcarbonate, 10% barium sulfate, 1% anhydrous sodium borate, and 5-15% triiodomethane. The powders are mixed with 100% eugenol to form a creamy paste.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.