Dental filling material
US4259117A · kind A · utility
102Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1978 |
| Grant date | Mar 31, 1981 |
| Priority date | — |
| Expiry date | Aug 25, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S528/92
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dental filling agent is provided, which contains a phosphoric or phosphonic acid ester compound containing at least one polymerizable functional group and either a group of the formula ##STR1## or a group of the formula ##STR2## or a high molecular weight compound obtainable by polymerizing the compound either alone or as a comonomer unit. This agent has a high bonding affinity for the tooth and enjoys prolonged stability in wet environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.