Impression composition
US5367001A · kind A · utility
20Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1993 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Apr 9, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L83/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A impression composition comprising: PA1 (A) a polyether polymer having at least two alkenyl groups in its molecule, PA1 (B) a polyorganohydrogensiloxane having at least three silicon-bonded hydrogen atoms in its molecule, PA1 (C) a platinum catalyst, PA1 (D) an inorganic filler, and PA1 (E) an antioxidant. This composition of has hydrophilic nature and a small cure shrinkage; hence it enables precise impression in a wet environment like in a mouth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.