Fluoroaluminosilicate glass powder for dental glass ionomer cement
US4775592A · kind A · utility
47Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1986 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Aug 21, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2996
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A fluoroaluminosilicate glass powder for dental glass ionomer cement, a surface of which is treated with a fluoride in an amount of from 0.01 to 5 parts by weight based on 100 parts by weight of the glass powder, is disclosed. The fluoroaluminosilicate glass powder of the invention is improved in not only physical properties such as crushing strength but also mixing workability without impairing the inherent characteristics thereof for the dental use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.