Straw for the conservation of small quantities of substances, in particular biological liquids
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United States of America Patent
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Jun 6, 2006
Grant Date -
Dec 5, 2002
app pub date -
May 7, 2002
filing date -
May 7, 2001
priority date (Note) -
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Abstract
A straw (1) for the conservation of small quantities of substances, in particular biological substances, the straw having a segment of tube (2) provided, inside one end, with a stopper (3) including gel powder, characterized in that the straw stopper includes a thermoplastics material core (4) sheathed with filaments constituting a sheath (5). The straw of the invention absorbs only a very small amount of the liquid contained therein.
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