Expandable/contractable composition for surgical or dental use
US7210935B2 · kind B2 · utility
3Cited by
16References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2004 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Jun 8, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/44
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition, suitable for surgical or dental use, which can expand and/or contract in at least one direction without similar expansion or contraction in another direction, comprises an inner and an outer portion, the portions differing in their expansion properties and/or the extent to which they are prestressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.