Dental hydraulic investment
US4211682A · kind A · utility
6Cited by
1References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1978 |
| Grant date | Jul 8, 1980 |
| Priority date | — |
| Expiry date | Mar 10, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31942
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A dental hydraulic investment comprising (A) an aqueous polyvinyl alcohol solution, (B) a water-soluble metallic compound, (C) a water-soluble, thermosetting resin precondensate and (D) a filler. Use of this investment allows formation of a desired denture by either a thermal polymerization or a room temperature polymerization method, and the denture thus obtained has excellent surface luster and is high in dimensional accuracy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.