Dental impression material with cure-indicating dye
US5596025A · kind A · utility
35Cited by
32References
53Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1995 |
| Grant date | Jan 21, 1997 |
| Priority date | — |
| Expiry date | Jun 29, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/44
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides novel dental impression materials, the cure of which can be monitored visually, comprising: (1) a curable silicone polymer; (2) a crosslinker compound containing silicon-bonded-hydrogen groups; (3) a hydrosilation catalyst; and (4) one or more cure-indicating dyes that exhibit a color change in the presence of a silicon-bonded-hydrogen compound and a hydrosilation catalyst. The cure-indicating dye provides the composition with an initial pre-cure color and a different post-cure color. As a result of this change in color, the state of cure of the impression material can be visually monitored.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.