Material based on silicon, in particular for dental impression and method for making such material
US6369127B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2000 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Apr 26, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dispersion for making impression which are capable of gradually releasing antiseptic agent to the surface. The dispersion includes a silicone, a hydrophobic antiseptic agent which is incorporated into the silicone, with the concentration of hydrophobic agent in the dispersion being in the range of about 0.1% to 1% by weight of the total weight of the dispersion. The hydrophobic antiseptic agent is a mixture which includes a chelating agent, a phospholipid membrane attacking agent, and either a virus nucleocapsid attacking agent or a bacteria receptor site attacking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.