Treated glass polyalkenoate cement
US6043296A · kind A · utility
8Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1998 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Aug 28, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/889
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Glass polyalkenoate (glass ionomer) cements are used formed into dental crowns, despite their reputedly inadequate toughness, strength and wear-resistance early after forming for such an application, by heating the newly formed glass ionomer crown under a relative humidity of 100% in a bomb under silicone oil at 120-200.degree. C. for an hour.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.