Impression material compositions
US5206272A · kind A · utility
1Cited by
8References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1991 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Jun 18, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to an impression material composition comprising an alginate and a gelling agent and being hardened in the presence of water, an unsaturated carboxylic acid polymer being contained in an amount of 5 to 150 parts by weight per 100 parts by weight of the alginate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.