Dental acid etchant composition
US6753001B2 · kind B2 · utility
5Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2003 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Mar 14, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/86
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A gel composition for use in etching the surfaces of teeth in preparation for prophylaxis, repair, or restoration, comprising an aqueous solution of an effective quantity of an acid; and a colloidal silica sol, wherein the silica portion of the sol comprises from about 3 to about 20 weight percent of the total etchant composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.