Expandable/contractable composition for surgical or dental use
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United States of America Patent
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-
May 1, 2007
Grant Date -
Nov 25, 2004
app pub date -
Apr 26, 2004
filing date -
Apr 24, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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